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Finding the Fourth Proportional to 267,252.72, 400,888.80 and 89,765.52

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Solution

The fourth proportional to 267,252.72, 400,888.80 and 89,765.52 is: 134,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,252.72 : 400,888.80 = 89,765.52 : x
  2. Step 2: Convert to fraction form
    267,252.72/400,888.80 = 89,765.52/x
  3. Step 3: Cross multiply
    267,252.72x = 400,888.80 × 89,765.52
  4. Step 4: Simplify right side
    267,252.72x = 35,985,991,594.18
  5. Step 5: Solve for x
    x = 35,985,991,594.18/267,252.72
  6. Step 6: Final answer
    x = 134,651.54

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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.