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Finding the Fourth Proportional to 249,761.48, 374,839.04 and 92,100.65

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Solution

The fourth proportional to 249,761.48, 374,839.04 and 92,100.65 is: 138,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,761.48 : 374,839.04 = 92,100.65 : x
  2. Step 2: Convert to fraction form
    249,761.48/374,839.04 = 92,100.65/x
  3. Step 3: Cross multiply
    249,761.48x = 374,839.04 × 92,100.65
  4. Step 4: Simplify right side
    249,761.48x = 34,522,917,585.43
  5. Step 5: Solve for x
    x = 34,522,917,585.43/249,761.48
  6. Step 6: Final answer
    x = 138,223.55

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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.