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Finding the Fourth Proportional to 43,847,998.80, 61,521,567.60 and 43,847,998.80

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Solution

The fourth proportional to 43,847,998.80, 61,521,567.60 and 43,847,998.80 is: 61,521,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847,998.80 : 61,521,567.60 = 43,847,998.80 : x
  2. Step 2: Convert to fraction form
    43,847,998.80/61,521,567.60 = 43,847,998.80/x
  3. Step 3: Cross multiply
    43,847,998.80x = 61,521,567.60 × 43,847,998.80
  4. Step 4: Simplify right side
    43,847,998.80x = 2,697,597,622,298,919
  5. Step 5: Solve for x
    x = 2,697,597,622,298,919/43,847,998.80
  6. Step 6: Final answer
    x = 61,521,567.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.