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Finding the Fourth Proportional to 240,167.54, 360,244.47 and 71,689.26

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Solution

The fourth proportional to 240,167.54, 360,244.47 and 71,689.26 is: 107,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,167.54 : 360,244.47 = 71,689.26 : x
  2. Step 2: Convert to fraction form
    240,167.54/360,244.47 = 71,689.26/x
  3. Step 3: Cross multiply
    240,167.54x = 360,244.47 × 71,689.26
  4. Step 4: Simplify right side
    240,167.54x = 25,825,657,672.17
  5. Step 5: Solve for x
    x = 25,825,657,672.17/240,167.54
  6. Step 6: Final answer
    x = 107,531.84

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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.