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Finding the Fourth Proportional to 249,503.30, 344,314.26 and 134,781.92

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Solution

The fourth proportional to 249,503.30, 344,314.26 and 134,781.92 is: 185,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,503.30 : 344,314.26 = 134,781.92 : x
  2. Step 2: Convert to fraction form
    249,503.30/344,314.26 = 134,781.92/x
  3. Step 3: Cross multiply
    249,503.30x = 344,314.26 × 134,781.92
  4. Step 4: Simplify right side
    249,503.30x = 46,407,337,046.18
  5. Step 5: Solve for x
    x = 46,407,337,046.18/249,503.30
  6. Step 6: Final answer
    x = 185,998.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.