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Finding the Fourth Proportional to 146,524.40, 219,916.20 and 125,529.20

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Solution

The fourth proportional to 146,524.40, 219,916.20 and 125,529.20 is: 188,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,524.40 : 219,916.20 = 125,529.20 : x
  2. Step 2: Convert to fraction form
    146,524.40/219,916.20 = 125,529.20/x
  3. Step 3: Cross multiply
    146,524.40x = 219,916.20 × 125,529.20
  4. Step 4: Simplify right side
    146,524.40x = 27,605,904,653.04
  5. Step 5: Solve for x
    x = 27,605,904,653.04/146,524.40
  6. Step 6: Final answer
    x = 188,404.83

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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.