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Finding the Fourth Proportional to 169,799.34, 254,366.17 and 98,572.58

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Solution

The fourth proportional to 169,799.34, 254,366.17 and 98,572.58 is: 147,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,799.34 : 254,366.17 = 98,572.58 : x
  2. Step 2: Convert to fraction form
    169,799.34/254,366.17 = 98,572.58/x
  3. Step 3: Cross multiply
    169,799.34x = 254,366.17 × 98,572.58
  4. Step 4: Simplify right side
    169,799.34x = 25,073,529,641.62
  5. Step 5: Solve for x
    x = 25,073,529,641.62/169,799.34
  6. Step 6: Final answer
    x = 147,665.65

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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.