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Finding the Fourth Proportional to 166,502.55, 249,752.46 and 71,799.69

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Solution

The fourth proportional to 166,502.55, 249,752.46 and 71,799.69 is: 107,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.55 : 249,752.46 = 71,799.69 : x
  2. Step 2: Convert to fraction form
    166,502.55/249,752.46 = 71,799.69/x
  3. Step 3: Cross multiply
    166,502.55x = 249,752.46 × 71,799.69
  4. Step 4: Simplify right side
    166,502.55x = 17,932,149,204.74
  5. Step 5: Solve for x
    x = 17,932,149,204.74/166,502.55
  6. Step 6: Final answer
    x = 107,698.95

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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.