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Finding the Fourth Proportional to 338,988,169.96, 508,486,978.86 and 96,651,073.96

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Solution

The fourth proportional to 338,988,169.96, 508,486,978.86 and 96,651,073.96 is: 144,977,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,988,169.96 : 508,486,978.86 = 96,651,073.96 : x
  2. Step 2: Convert to fraction form
    338,988,169.96/508,486,978.86 = 96,651,073.96/x
  3. Step 3: Cross multiply
    338,988,169.96x = 508,486,978.86 × 96,651,073.96
  4. Step 4: Simplify right side
    338,988,169.96x = 49,145,812,601,494,816
  5. Step 5: Solve for x
    x = 49,145,812,601,494,816/338,988,169.96
  6. Step 6: Final answer
    x = 144,977,957.81

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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.