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Finding the Fourth Proportional to 95,949.60, 143,740.80 and 51,561.60

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Solution

The fourth proportional to 95,949.60, 143,740.80 and 51,561.60 is: 77,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,949.60 : 143,740.80 = 51,561.60 : x
  2. Step 2: Convert to fraction form
    95,949.60/143,740.80 = 51,561.60/x
  3. Step 3: Cross multiply
    95,949.60x = 143,740.80 × 51,561.60
  4. Step 4: Simplify right side
    95,949.60x = 7,411,505,633.28
  5. Step 5: Solve for x
    x = 7,411,505,633.28/95,949.60
  6. Step 6: Final answer
    x = 77,243.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.