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Finding the Fourth Proportional to 178,195.88, 267,261.53 and 71,575.53

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Solution

The fourth proportional to 178,195.88, 267,261.53 and 71,575.53 is: 107,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,195.88 : 267,261.53 = 71,575.53 : x
  2. Step 2: Convert to fraction form
    178,195.88/267,261.53 = 71,575.53/x
  3. Step 3: Cross multiply
    178,195.88x = 267,261.53 × 71,575.53
  4. Step 4: Simplify right side
    178,195.88x = 19,129,385,300.48
  5. Step 5: Solve for x
    x = 19,129,385,300.48/178,195.88
  6. Step 6: Final answer
    x = 107,350.33

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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.