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Finding the Fourth Proportional to 151,712.82, 227,864.52 and 123,653.61

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Solution

The fourth proportional to 151,712.82, 227,864.52 and 123,653.61 is: 185,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,712.82 : 227,864.52 = 123,653.61 : x
  2. Step 2: Convert to fraction form
    151,712.82/227,864.52 = 123,653.61/x
  3. Step 3: Cross multiply
    151,712.82x = 227,864.52 × 123,653.61
  4. Step 4: Simplify right side
    151,712.82x = 28,176,270,488.92
  5. Step 5: Solve for x
    x = 28,176,270,488.92/151,712.82
  6. Step 6: Final answer
    x = 185,721.09

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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.