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Finding the Fourth Proportional to 113,697.54, 156,900.51 and 62,715.06

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Solution

The fourth proportional to 113,697.54, 156,900.51 and 62,715.06 is: 86,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,697.54 : 156,900.51 = 62,715.06 : x
  2. Step 2: Convert to fraction form
    113,697.54/156,900.51 = 62,715.06/x
  3. Step 3: Cross multiply
    113,697.54x = 156,900.51 × 62,715.06
  4. Step 4: Simplify right side
    113,697.54x = 9,840,024,898.68
  5. Step 5: Solve for x
    x = 9,840,024,898.68/113,697.54
  6. Step 6: Final answer
    x = 86,545.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.