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Finding the Fourth Proportional to 125,706.33, 188,476.26 and 49,754.55

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Solution

The fourth proportional to 125,706.33, 188,476.26 and 49,754.55 is: 74,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,706.33 : 188,476.26 = 49,754.55 : x
  2. Step 2: Convert to fraction form
    125,706.33/188,476.26 = 49,754.55/x
  3. Step 3: Cross multiply
    125,706.33x = 188,476.26 × 49,754.55
  4. Step 4: Simplify right side
    125,706.33x = 9,377,551,501.98
  5. Step 5: Solve for x
    x = 9,377,551,501.98/125,706.33
  6. Step 6: Final answer
    x = 74,598.88

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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.