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Finding the Fourth Proportional to 88,480.72, 132,640.86 and 44,121.07

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Solution

The fourth proportional to 88,480.72, 132,640.86 and 44,121.07 is: 66,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,480.72 : 132,640.86 = 44,121.07 : x
  2. Step 2: Convert to fraction form
    88,480.72/132,640.86 = 44,121.07/x
  3. Step 3: Cross multiply
    88,480.72x = 132,640.86 × 44,121.07
  4. Step 4: Simplify right side
    88,480.72x = 5,852,256,005.72
  5. Step 5: Solve for x
    x = 5,852,256,005.72/88,480.72
  6. Step 6: Final answer
    x = 66,141.60

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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.