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Finding the Fourth Proportional to 67,654.61, 101,371.10 and 36,031.10

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Solution

The fourth proportional to 67,654.61, 101,371.10 and 36,031.10 is: 53,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,654.61 : 101,371.10 = 36,031.10 : x
  2. Step 2: Convert to fraction form
    67,654.61/101,371.10 = 36,031.10/x
  3. Step 3: Cross multiply
    67,654.61x = 101,371.10 × 36,031.10
  4. Step 4: Simplify right side
    67,654.61x = 3,652,511,554.20
  5. Step 5: Solve for x
    x = 3,652,511,554.20/67,654.61
  6. Step 6: Final answer
    x = 53,987.62

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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.