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Finding the Fourth Proportional to 177,538.60, 266,307.90 and 118,052.20

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Solution

The fourth proportional to 177,538.60, 266,307.90 and 118,052.20 is: 177,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,538.60 : 266,307.90 = 118,052.20 : x
  2. Step 2: Convert to fraction form
    177,538.60/266,307.90 = 118,052.20/x
  3. Step 3: Cross multiply
    177,538.60x = 266,307.90 × 118,052.20
  4. Step 4: Simplify right side
    177,538.60x = 31,438,233,472.38
  5. Step 5: Solve for x
    x = 31,438,233,472.38/177,538.60
  6. Step 6: Final answer
    x = 177,078.30

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1.5x scale

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.