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Finding the Fourth Proportional to 92,406.56, 138,626.94 and 29,242.56

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Solution

The fourth proportional to 92,406.56, 138,626.94 and 29,242.56 is: 43,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,406.56 : 138,626.94 = 29,242.56 : x
  2. Step 2: Convert to fraction form
    92,406.56/138,626.94 = 29,242.56/x
  3. Step 3: Cross multiply
    92,406.56x = 138,626.94 × 29,242.56
  4. Step 4: Simplify right side
    92,406.56x = 4,053,806,610.57
  5. Step 5: Solve for x
    x = 4,053,806,610.57/92,406.56
  6. Step 6: Final answer
    x = 43,869.25

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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.