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Finding the Fourth Proportional to 89,959.92, 124,144.08 and 49,676.22

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Solution

The fourth proportional to 89,959.92, 124,144.08 and 49,676.22 is: 68,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.92 : 124,144.08 = 49,676.22 : x
  2. Step 2: Convert to fraction form
    89,959.92/124,144.08 = 49,676.22/x
  3. Step 3: Cross multiply
    89,959.92x = 124,144.08 × 49,676.22
  4. Step 4: Simplify right side
    89,959.92x = 6,167,008,629.78
  5. Step 5: Solve for x
    x = 6,167,008,629.78/89,959.92
  6. Step 6: Final answer
    x = 68,552.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.