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Finding the Fourth Proportional to 67,355.40, 101,031.84 and 17,434.97

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Solution

The fourth proportional to 67,355.40, 101,031.84 and 17,434.97 is: 26,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,355.40 : 101,031.84 = 17,434.97 : x
  2. Step 2: Convert to fraction form
    67,355.40/101,031.84 = 17,434.97/x
  3. Step 3: Cross multiply
    67,355.40x = 101,031.84 × 17,434.97
  4. Step 4: Simplify right side
    67,355.40x = 1,761,486,594.29
  5. Step 5: Solve for x
    x = 1,761,486,594.29/67,355.40
  6. Step 6: Final answer
    x = 26,152.12

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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.