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Finding the Fourth Proportional to 249,842.88, 374,761.89 and 72,348.39

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Solution

The fourth proportional to 249,842.88, 374,761.89 and 72,348.39 is: 108,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,842.88 : 374,761.89 = 72,348.39 : x
  2. Step 2: Convert to fraction form
    249,842.88/374,761.89 = 72,348.39/x
  3. Step 3: Cross multiply
    249,842.88x = 374,761.89 × 72,348.39
  4. Step 4: Simplify right side
    249,842.88x = 27,113,419,374.86
  5. Step 5: Solve for x
    x = 27,113,419,374.86/249,842.88
  6. Step 6: Final answer
    x = 108,521.88

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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.