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Finding the Fourth Proportional to 249,710.52, 374,555.85 and 137,613

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Solution

The fourth proportional to 249,710.52, 374,555.85 and 137,613 is: 206,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,710.52 : 374,555.85 = 137,613 : x
  2. Step 2: Convert to fraction form
    249,710.52/374,555.85 = 137,613/x
  3. Step 3: Cross multiply
    249,710.52x = 374,555.85 × 137,613
  4. Step 4: Simplify right side
    249,710.52x = 51,543,754,186.05
  5. Step 5: Solve for x
    x = 51,543,754,186.05/249,710.52
  6. Step 6: Final answer
    x = 206,414.03

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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.