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Finding the Fourth Proportional to 351,562.68, 527,375.15 and 98,845.36

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Solution

The fourth proportional to 351,562.68, 527,375.15 and 98,845.36 is: 148,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,562.68 : 527,375.15 = 98,845.36 : x
  2. Step 2: Convert to fraction form
    351,562.68/527,375.15 = 98,845.36/x
  3. Step 3: Cross multiply
    351,562.68x = 527,375.15 × 98,845.36
  4. Step 4: Simplify right side
    351,562.68x = 52,128,586,556.80
  5. Step 5: Solve for x
    x = 52,128,586,556.80/351,562.68
  6. Step 6: Final answer
    x = 148,276.79

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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.