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Finding the Fourth Proportional to 169,449.67, 253,773.76 and 147,141.82

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Solution

The fourth proportional to 169,449.67, 253,773.76 and 147,141.82 is: 220,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,449.67 : 253,773.76 = 147,141.82 : x
  2. Step 2: Convert to fraction form
    169,449.67/253,773.76 = 147,141.82/x
  3. Step 3: Cross multiply
    169,449.67x = 253,773.76 × 147,141.82
  4. Step 4: Simplify right side
    169,449.67x = 37,340,731,712.42
  5. Step 5: Solve for x
    x = 37,340,731,712.42/169,449.67
  6. Step 6: Final answer
    x = 220,364.73

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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.