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Finding the Fourth Proportional to 177,549.60, 266,324.40 and 161,479.20

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Solution

The fourth proportional to 177,549.60, 266,324.40 and 161,479.20 is: 242,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,549.60 : 266,324.40 = 161,479.20 : x
  2. Step 2: Convert to fraction form
    177,549.60/266,324.40 = 161,479.20/x
  3. Step 3: Cross multiply
    177,549.60x = 266,324.40 × 161,479.20
  4. Step 4: Simplify right side
    177,549.60x = 43,005,851,052.48
  5. Step 5: Solve for x
    x = 43,005,851,052.48/177,549.60
  6. Step 6: Final answer
    x = 242,218.80

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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.