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Finding the Fourth Proportional to 113,143.20, 169,714.80 and 62,404.80

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Solution

The fourth proportional to 113,143.20, 169,714.80 and 62,404.80 is: 93,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,143.20 : 169,714.80 = 62,404.80 : x
  2. Step 2: Convert to fraction form
    113,143.20/169,714.80 = 62,404.80/x
  3. Step 3: Cross multiply
    113,143.20x = 169,714.80 × 62,404.80
  4. Step 4: Simplify right side
    113,143.20x = 10,591,018,151.04
  5. Step 5: Solve for x
    x = 10,591,018,151.04/113,143.20
  6. Step 6: Final answer
    x = 93,607.20

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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.