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Finding the Fourth Proportional to 101,711.25, 152,566.88 and 39,381.75

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Solution

The fourth proportional to 101,711.25, 152,566.88 and 39,381.75 is: 59,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711.25 : 152,566.88 = 39,381.75 : x
  2. Step 2: Convert to fraction form
    101,711.25/152,566.88 = 39,381.75/x
  3. Step 3: Cross multiply
    101,711.25x = 152,566.88 × 39,381.75
  4. Step 4: Simplify right side
    101,711.25x = 6,008,350,529.53
  5. Step 5: Solve for x
    x = 6,008,350,529.53/101,711.25
  6. Step 6: Final answer
    x = 59,072.63

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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.