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Finding the Fourth Proportional to 267,086.13, 400,682.66 and 98,607.48

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Solution

The fourth proportional to 267,086.13, 400,682.66 and 98,607.48 is: 147,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,086.13 : 400,682.66 = 98,607.48 : x
  2. Step 2: Convert to fraction form
    267,086.13/400,682.66 = 98,607.48/x
  3. Step 3: Cross multiply
    267,086.13x = 400,682.66 × 98,607.48
  4. Step 4: Simplify right side
    267,086.13x = 39,510,306,889.26
  5. Step 5: Solve for x
    x = 39,510,306,889.26/267,086.13
  6. Step 6: Final answer
    x = 147,930.96

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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.