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Finding the Fourth Proportional to 249,650.92, 374,459.10 and 91,849.96

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Solution

The fourth proportional to 249,650.92, 374,459.10 and 91,849.96 is: 137,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,650.92 : 374,459.10 = 91,849.96 : x
  2. Step 2: Convert to fraction form
    249,650.92/374,459.10 = 91,849.96/x
  3. Step 3: Cross multiply
    249,650.92x = 374,459.10 × 91,849.96
  4. Step 4: Simplify right side
    249,650.92x = 34,394,053,356.64
  5. Step 5: Solve for x
    x = 34,394,053,356.64/249,650.92
  6. Step 6: Final answer
    x = 137,768.58

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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.