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Finding the Fourth Proportional to 147,793.77, 203,882.33 and 87,335.17

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Solution

The fourth proportional to 147,793.77, 203,882.33 and 87,335.17 is: 120,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,793.77 : 203,882.33 = 87,335.17 : x
  2. Step 2: Convert to fraction form
    147,793.77/203,882.33 = 87,335.17/x
  3. Step 3: Cross multiply
    147,793.77x = 203,882.33 × 87,335.17
  4. Step 4: Simplify right side
    147,793.77x = 17,806,097,659.18
  5. Step 5: Solve for x
    x = 17,806,097,659.18/147,793.77
  6. Step 6: Final answer
    x = 120,479.35

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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.