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Finding the Fourth Proportional to 185,425.28, 255,891.92 and 104,864.84

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Solution

The fourth proportional to 185,425.28, 255,891.92 and 104,864.84 is: 144,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425.28 : 255,891.92 = 104,864.84 : x
  2. Step 2: Convert to fraction form
    185,425.28/255,891.92 = 104,864.84/x
  3. Step 3: Cross multiply
    185,425.28x = 255,891.92 × 104,864.84
  4. Step 4: Simplify right side
    185,425.28x = 26,834,063,444.31
  5. Step 5: Solve for x
    x = 26,834,063,444.31/185,425.28
  6. Step 6: Final answer
    x = 144,716.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.