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Finding the Fourth Proportional to 267,371.40, 401,042.34 and 89,860.08

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Solution

The fourth proportional to 267,371.40, 401,042.34 and 89,860.08 is: 134,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,371.40 : 401,042.34 = 89,860.08 : x
  2. Step 2: Convert to fraction form
    267,371.40/401,042.34 = 89,860.08/x
  3. Step 3: Cross multiply
    267,371.40x = 401,042.34 × 89,860.08
  4. Step 4: Simplify right side
    267,371.40x = 36,037,696,755.79
  5. Step 5: Solve for x
    x = 36,037,696,755.79/267,371.40
  6. Step 6: Final answer
    x = 134,785.16

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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.