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Finding the Fourth Proportional to 223,787.54, 308,853.15 and 125,686.92

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Solution

The fourth proportional to 223,787.54, 308,853.15 and 125,686.92 is: 173,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,787.54 : 308,853.15 = 125,686.92 : x
  2. Step 2: Convert to fraction form
    223,787.54/308,853.15 = 125,686.92/x
  3. Step 3: Cross multiply
    223,787.54x = 308,853.15 × 125,686.92
  4. Step 4: Simplify right side
    223,787.54x = 38,818,801,155.80
  5. Step 5: Solve for x
    x = 38,818,801,155.80/223,787.54
  6. Step 6: Final answer
    x = 173,462.74

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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.