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Finding the Fourth Proportional to 351,437.22, 527,092.19 and 98,655.56

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Solution

The fourth proportional to 351,437.22, 527,092.19 and 98,655.56 is: 147,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,437.22 : 527,092.19 = 98,655.56 : x
  2. Step 2: Convert to fraction form
    351,437.22/527,092.19 = 98,655.56/x
  3. Step 3: Cross multiply
    351,437.22x = 527,092.19 × 98,655.56
  4. Step 4: Simplify right side
    351,437.22x = 52,000,575,176.08
  5. Step 5: Solve for x
    x = 52,000,575,176.08/351,437.22
  6. Step 6: Final answer
    x = 147,965.47

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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.