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Finding the Fourth Proportional to 169,168.47, 253,734.83 and 89,174.39

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Solution

The fourth proportional to 169,168.47, 253,734.83 and 89,174.39 is: 133,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,168.47 : 253,734.83 = 89,174.39 : x
  2. Step 2: Convert to fraction form
    169,168.47/253,734.83 = 89,174.39/x
  3. Step 3: Cross multiply
    169,168.47x = 253,734.83 × 89,174.39
  4. Step 4: Simplify right side
    169,168.47x = 22,626,646,972.46
  5. Step 5: Solve for x
    x = 22,626,646,972.46/169,168.47
  6. Step 6: Final answer
    x = 133,752.15

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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.