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Finding the Fourth Proportional to 227,901.88, 341,849.04 and 87,690.88

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Solution

The fourth proportional to 227,901.88, 341,849.04 and 87,690.88 is: 131,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,901.88 : 341,849.04 = 87,690.88 : x
  2. Step 2: Convert to fraction form
    227,901.88/341,849.04 = 87,690.88/x
  3. Step 3: Cross multiply
    227,901.88x = 341,849.04 × 87,690.88
  4. Step 4: Simplify right side
    227,901.88x = 29,977,043,144.76
  5. Step 5: Solve for x
    x = 29,977,043,144.76/227,901.88
  6. Step 6: Final answer
    x = 131,534.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.