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Finding the Fourth Proportional to 125,564.87, 188,344.72 and 36,816.41

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Solution

The fourth proportional to 125,564.87, 188,344.72 and 36,816.41 is: 55,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,564.87 : 188,344.72 = 36,816.41 : x
  2. Step 2: Convert to fraction form
    125,564.87/188,344.72 = 36,816.41/x
  3. Step 3: Cross multiply
    125,564.87x = 188,344.72 × 36,816.41
  4. Step 4: Simplify right side
    125,564.87x = 6,934,176,432.86
  5. Step 5: Solve for x
    x = 6,934,176,432.86/125,564.87
  6. Step 6: Final answer
    x = 55,223.86

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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.