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Finding the Fourth Proportional to 89,459.11, 134,205.10 and 29,491.11

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Solution

The fourth proportional to 89,459.11, 134,205.10 and 29,491.11 is: 44,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.11 : 134,205.10 = 29,491.11 : x
  2. Step 2: Convert to fraction form
    89,459.11/134,205.10 = 29,491.11/x
  3. Step 3: Cross multiply
    89,459.11x = 134,205.10 × 29,491.11
  4. Step 4: Simplify right side
    89,459.11x = 3,957,857,836.27
  5. Step 5: Solve for x
    x = 3,957,857,836.27/89,459.11
  6. Step 6: Final answer
    x = 44,242.09

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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.