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Finding the Fourth Proportional to 351,645.52, 527,555.72 and 102,327.52

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Solution

The fourth proportional to 351,645.52, 527,555.72 and 102,327.52 is: 153,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,645.52 : 527,555.72 = 102,327.52 : x
  2. Step 2: Convert to fraction form
    351,645.52/527,555.72 = 102,327.52/x
  3. Step 3: Cross multiply
    351,645.52x = 527,555.72 × 102,327.52
  4. Step 4: Simplify right side
    351,645.52x = 53,983,468,489.41
  5. Step 5: Solve for x
    x = 53,983,468,489.41/351,645.52
  6. Step 6: Final answer
    x = 153,516.72

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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.