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Finding the Fourth Proportional to 267,535.67, 401,298.86 and 90,042.68

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Solution

The fourth proportional to 267,535.67, 401,298.86 and 90,042.68 is: 135,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,535.67 : 401,298.86 = 90,042.68 : x
  2. Step 2: Convert to fraction form
    267,535.67/401,298.86 = 90,042.68/x
  3. Step 3: Cross multiply
    267,535.67x = 401,298.86 × 90,042.68
  4. Step 4: Simplify right side
    267,535.67x = 36,134,024,385.13
  5. Step 5: Solve for x
    x = 36,134,024,385.13/267,535.67
  6. Step 6: Final answer
    x = 135,062.46

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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.