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Finding the Fourth Proportional to 185,494.31, 255,982.19 and 104,920.10

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Solution

The fourth proportional to 185,494.31, 255,982.19 and 104,920.10 is: 144,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,494.31 : 255,982.19 = 104,920.10 : x
  2. Step 2: Convert to fraction form
    185,494.31/255,982.19 = 104,920.10/x
  3. Step 3: Cross multiply
    185,494.31x = 255,982.19 × 104,920.10
  4. Step 4: Simplify right side
    185,494.31x = 26,857,676,973.02
  5. Step 5: Solve for x
    x = 26,857,676,973.02/185,494.31
  6. Step 6: Final answer
    x = 144,789.76

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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.