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Finding the Fourth Proportional to 67,043.88, 100,565.73 and 17,124.03

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Solution

The fourth proportional to 67,043.88, 100,565.73 and 17,124.03 is: 25,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,043.88 : 100,565.73 = 17,124.03 : x
  2. Step 2: Convert to fraction form
    67,043.88/100,565.73 = 17,124.03/x
  3. Step 3: Cross multiply
    67,043.88x = 100,565.73 × 17,124.03
  4. Step 4: Simplify right side
    67,043.88x = 1,722,090,577.49
  5. Step 5: Solve for x
    x = 1,722,090,577.49/67,043.88
  6. Step 6: Final answer
    x = 25,686.02

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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.