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Finding the Fourth Proportional to 101,420,940.80, 152,131,411.20 and 96,466,419.20

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Solution

The fourth proportional to 101,420,940.80, 152,131,411.20 and 96,466,419.20 is: 144,699,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,420,940.80 : 152,131,411.20 = 96,466,419.20 : x
  2. Step 2: Convert to fraction form
    101,420,940.80/152,131,411.20 = 96,466,419.20/x
  3. Step 3: Cross multiply
    101,420,940.80x = 152,131,411.20 × 96,466,419.20
  4. Step 4: Simplify right side
    101,420,940.80x = 14,675,572,486,306,774
  5. Step 5: Solve for x
    x = 14,675,572,486,306,774/101,420,940.80
  6. Step 6: Final answer
    x = 144,699,628.80

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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.