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Finding the Fourth Proportional to 73,381.68, 101,234.12 and 47,882.18

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Solution

The fourth proportional to 73,381.68, 101,234.12 and 47,882.18 is: 66,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,381.68 : 101,234.12 = 47,882.18 : x
  2. Step 2: Convert to fraction form
    73,381.68/101,234.12 = 47,882.18/x
  3. Step 3: Cross multiply
    73,381.68x = 101,234.12 × 47,882.18
  4. Step 4: Simplify right side
    73,381.68x = 4,847,310,355.98
  5. Step 5: Solve for x
    x = 4,847,310,355.98/73,381.68
  6. Step 6: Final answer
    x = 66,056.14

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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.