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Finding the Fourth Proportional to 356,158.92, 534,296.70 and 169,107.24

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Solution

The fourth proportional to 356,158.92, 534,296.70 and 169,107.24 is: 253,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,158.92 : 534,296.70 = 169,107.24 : x
  2. Step 2: Convert to fraction form
    356,158.92/534,296.70 = 169,107.24/x
  3. Step 3: Cross multiply
    356,158.92x = 534,296.70 × 169,107.24
  4. Step 4: Simplify right side
    356,158.92x = 90,353,440,278.11
  5. Step 5: Solve for x
    x = 90,353,440,278.11/356,158.92
  6. Step 6: Final answer
    x = 253,688.55

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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.