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Finding the Fourth Proportional to 61,495,420.80, 92,201,140.80 and 29,162,812.80

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Solution

The fourth proportional to 61,495,420.80, 92,201,140.80 and 29,162,812.80 is: 43,724,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,495,420.80 : 92,201,140.80 = 29,162,812.80 : x
  2. Step 2: Convert to fraction form
    61,495,420.80/92,201,140.80 = 29,162,812.80/x
  3. Step 3: Cross multiply
    61,495,420.80x = 92,201,140.80 × 29,162,812.80
  4. Step 4: Simplify right side
    61,495,420.80x = 2,688,844,609,096,842
  5. Step 5: Solve for x
    x = 2,688,844,609,096,842/61,495,420.80
  6. Step 6: Final answer
    x = 43,724,306.20

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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.