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Finding the Fourth Proportional to 169,086.60, 253,446.84 and 109,964.70

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Solution

The fourth proportional to 169,086.60, 253,446.84 and 109,964.70 is: 164,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,086.60 : 253,446.84 = 109,964.70 : x
  2. Step 2: Convert to fraction form
    169,086.60/253,446.84 = 109,964.70/x
  3. Step 3: Cross multiply
    169,086.60x = 253,446.84 × 109,964.70
  4. Step 4: Simplify right side
    169,086.60x = 27,870,205,726.55
  5. Step 5: Solve for x
    x = 27,870,205,726.55/169,086.60
  6. Step 6: Final answer
    x = 164,828.00

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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.