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Finding the Fourth Proportional to 88,642.76, 132,975.07 and 32,480.60

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Solution

The fourth proportional to 88,642.76, 132,975.07 and 32,480.60 is: 48,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642.76 : 132,975.07 = 32,480.60 : x
  2. Step 2: Convert to fraction form
    88,642.76/132,975.07 = 32,480.60/x
  3. Step 3: Cross multiply
    88,642.76x = 132,975.07 × 32,480.60
  4. Step 4: Simplify right side
    88,642.76x = 4,319,109,312.57
  5. Step 5: Solve for x
    x = 4,319,109,312.57/88,642.76
  6. Step 6: Final answer
    x = 48,724.90

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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.