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Finding the Fourth Proportional to 267,233.80, 401,142.30 and 148,844.20

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Solution

The fourth proportional to 267,233.80, 401,142.30 and 148,844.20 is: 223,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,233.80 : 401,142.30 = 148,844.20 : x
  2. Step 2: Convert to fraction form
    267,233.80/401,142.30 = 148,844.20/x
  3. Step 3: Cross multiply
    267,233.80x = 401,142.30 × 148,844.20
  4. Step 4: Simplify right side
    267,233.80x = 59,707,704,729.66
  5. Step 5: Solve for x
    x = 59,707,704,729.66/267,233.80
  6. Step 6: Final answer
    x = 223,428.72

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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.