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Finding the Fourth Proportional to 274,549.55, 412,090.65 and 132,494.80

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Solution

The fourth proportional to 274,549.55, 412,090.65 and 132,494.80 is: 198,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,549.55 : 412,090.65 = 132,494.80 : x
  2. Step 2: Convert to fraction form
    274,549.55/412,090.65 = 132,494.80/x
  3. Step 3: Cross multiply
    274,549.55x = 412,090.65 × 132,494.80
  4. Step 4: Simplify right side
    274,549.55x = 54,599,868,253.62
  5. Step 5: Solve for x
    x = 54,599,868,253.62/274,549.55
  6. Step 6: Final answer
    x = 198,870.73

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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.