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Finding the Fourth Proportional to 242,882.15, 361,881.22 and 229,300.88

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Solution

The fourth proportional to 242,882.15, 361,881.22 and 229,300.88 is: 341,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.15 : 361,881.22 = 229,300.88 : x
  2. Step 2: Convert to fraction form
    242,882.15/361,881.22 = 229,300.88/x
  3. Step 3: Cross multiply
    242,882.15x = 361,881.22 × 229,300.88
  4. Step 4: Simplify right side
    242,882.15x = 82,979,680,248.75
  5. Step 5: Solve for x
    x = 82,979,680,248.75/242,882.15
  6. Step 6: Final answer
    x = 341,645.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.