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Finding the Fourth Proportional to 166,888.76, 250,348.52 and 54,569.55

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Solution

The fourth proportional to 166,888.76, 250,348.52 and 54,569.55 is: 81,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,888.76 : 250,348.52 = 54,569.55 : x
  2. Step 2: Convert to fraction form
    166,888.76/250,348.52 = 54,569.55/x
  3. Step 3: Cross multiply
    166,888.76x = 250,348.52 × 54,569.55
  4. Step 4: Simplify right side
    166,888.76x = 13,661,407,154.80
  5. Step 5: Solve for x
    x = 13,661,407,154.80/166,888.76
  6. Step 6: Final answer
    x = 81,859.36

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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.