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Finding the Fourth Proportional to 100,684,847.70, 141,341,424.30 and 100,684,847.70

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Solution

The fourth proportional to 100,684,847.70, 141,341,424.30 and 100,684,847.70 is: 141,341,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,684,847.70 : 141,341,424.30 = 100,684,847.70 : x
  2. Step 2: Convert to fraction form
    100,684,847.70/141,341,424.30 = 100,684,847.70/x
  3. Step 3: Cross multiply
    100,684,847.70x = 141,341,424.30 × 100,684,847.70
  4. Step 4: Simplify right side
    100,684,847.70x = 14,230,939,779,346,580
  5. Step 5: Solve for x
    x = 14,230,939,779,346,580/100,684,847.70
  6. Step 6: Final answer
    x = 141,341,424.30

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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.