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Finding the Fourth Proportional to 123,610.88, 185,423.70 and 34,871.96

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Solution

The fourth proportional to 123,610.88, 185,423.70 and 34,871.96 is: 52,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.88 : 185,423.70 = 34,871.96 : x
  2. Step 2: Convert to fraction form
    123,610.88/185,423.70 = 34,871.96/x
  3. Step 3: Cross multiply
    123,610.88x = 185,423.70 × 34,871.96
  4. Step 4: Simplify right side
    123,610.88x = 6,466,087,849.45
  5. Step 5: Solve for x
    x = 6,466,087,849.45/123,610.88
  6. Step 6: Final answer
    x = 52,310.02

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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.