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Finding the Fourth Proportional to 239,645.68, 330,651.96 and 146,487.91

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Solution

The fourth proportional to 239,645.68, 330,651.96 and 146,487.91 is: 202,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,645.68 : 330,651.96 = 146,487.91 : x
  2. Step 2: Convert to fraction form
    239,645.68/330,651.96 = 146,487.91/x
  3. Step 3: Cross multiply
    239,645.68x = 330,651.96 × 146,487.91
  4. Step 4: Simplify right side
    239,645.68x = 48,436,514,557.80
  5. Step 5: Solve for x
    x = 48,436,514,557.80/239,645.68
  6. Step 6: Final answer
    x = 202,117.20

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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.