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Finding the Fourth Proportional to 101,565.87, 152,255.49 and 34,990.17

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Solution

The fourth proportional to 101,565.87, 152,255.49 and 34,990.17 is: 52,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,565.87 : 152,255.49 = 34,990.17 : x
  2. Step 2: Convert to fraction form
    101,565.87/152,255.49 = 34,990.17/x
  3. Step 3: Cross multiply
    101,565.87x = 152,255.49 × 34,990.17
  4. Step 4: Simplify right side
    101,565.87x = 5,327,445,478.53
  5. Step 5: Solve for x
    x = 5,327,445,478.53/101,565.87
  6. Step 6: Final answer
    x = 52,453.11

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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.