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Finding the Fourth Proportional to 169,753.14, 255,645.27 and 154,619.79

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Solution

The fourth proportional to 169,753.14, 255,645.27 and 154,619.79 is: 232,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,753.14 : 255,645.27 = 154,619.79 : x
  2. Step 2: Convert to fraction form
    169,753.14/255,645.27 = 154,619.79/x
  3. Step 3: Cross multiply
    169,753.14x = 255,645.27 × 154,619.79
  4. Step 4: Simplify right side
    169,753.14x = 39,527,817,961.89
  5. Step 5: Solve for x
    x = 39,527,817,961.89/169,753.14
  6. Step 6: Final answer
    x = 232,854.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.