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Finding the Fourth Proportional to 249,532.64, 374,187.78 and 71,997.46

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Solution

The fourth proportional to 249,532.64, 374,187.78 and 71,997.46 is: 107,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,532.64 : 374,187.78 = 71,997.46 : x
  2. Step 2: Convert to fraction form
    249,532.64/374,187.78 = 71,997.46/x
  3. Step 3: Cross multiply
    249,532.64x = 374,187.78 × 71,997.46
  4. Step 4: Simplify right side
    249,532.64x = 26,940,569,723.04
  5. Step 5: Solve for x
    x = 26,940,569,723.04/249,532.64
  6. Step 6: Final answer
    x = 107,964.11

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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.