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Finding the Fourth Proportional to 88,559.76, 122,213.76 and 48,273.54

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Solution

The fourth proportional to 88,559.76, 122,213.76 and 48,273.54 is: 66,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,559.76 : 122,213.76 = 48,273.54 : x
  2. Step 2: Convert to fraction form
    88,559.76/122,213.76 = 48,273.54/x
  3. Step 3: Cross multiply
    88,559.76x = 122,213.76 × 48,273.54
  4. Step 4: Simplify right side
    88,559.76x = 5,899,690,831.91
  5. Step 5: Solve for x
    x = 5,899,690,831.91/88,559.76
  6. Step 6: Final answer
    x = 66,618.19

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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.