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Finding the Fourth Proportional to 267,506.59, 401,008.68 and 89,889.38

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Solution

The fourth proportional to 267,506.59, 401,008.68 and 89,889.38 is: 134,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,506.59 : 401,008.68 = 89,889.38 : x
  2. Step 2: Convert to fraction form
    267,506.59/401,008.68 = 89,889.38/x
  3. Step 3: Cross multiply
    267,506.59x = 401,008.68 × 89,889.38
  4. Step 4: Simplify right side
    267,506.59x = 36,046,422,622.34
  5. Step 5: Solve for x
    x = 36,046,422,622.34/267,506.59
  6. Step 6: Final answer
    x = 134,749.66

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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.