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Finding the Fourth Proportional to 351,381.54, 527,095.80 and 123,650.04

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Solution

The fourth proportional to 351,381.54, 527,095.80 and 123,650.04 is: 185,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,381.54 : 527,095.80 = 123,650.04 : x
  2. Step 2: Convert to fraction form
    351,381.54/527,095.80 = 123,650.04/x
  3. Step 3: Cross multiply
    351,381.54x = 527,095.80 × 123,650.04
  4. Step 4: Simplify right side
    351,381.54x = 65,175,416,753.83
  5. Step 5: Solve for x
    x = 65,175,416,753.83/351,381.54
  6. Step 6: Final answer
    x = 185,483.33

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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.