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Finding the Fourth Proportional to 177,613.20, 266,419.80 and 52,954.20

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Solution

The fourth proportional to 177,613.20, 266,419.80 and 52,954.20 is: 79,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,613.20 : 266,419.80 = 52,954.20 : x
  2. Step 2: Convert to fraction form
    177,613.20/266,419.80 = 52,954.20/x
  3. Step 3: Cross multiply
    177,613.20x = 266,419.80 × 52,954.20
  4. Step 4: Simplify right side
    177,613.20x = 14,108,047,373.16
  5. Step 5: Solve for x
    x = 14,108,047,373.16/177,613.20
  6. Step 6: Final answer
    x = 79,431.30

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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.