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Finding the Fourth Proportional to 125,217.54, 172,800.41 and 73,524.65

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Solution

The fourth proportional to 125,217.54, 172,800.41 and 73,524.65 is: 101,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217.54 : 172,800.41 = 73,524.65 : x
  2. Step 2: Convert to fraction form
    125,217.54/172,800.41 = 73,524.65/x
  3. Step 3: Cross multiply
    125,217.54x = 172,800.41 × 73,524.65
  4. Step 4: Simplify right side
    125,217.54x = 12,705,088,433.48
  5. Step 5: Solve for x
    x = 12,705,088,433.48/125,217.54
  6. Step 6: Final answer
    x = 101,464.13

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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.