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Finding the Fourth Proportional to 88,661.80, 132,969.30 and 44,255.80

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Solution

The fourth proportional to 88,661.80, 132,969.30 and 44,255.80 is: 66,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.80 : 132,969.30 = 44,255.80 : x
  2. Step 2: Convert to fraction form
    88,661.80/132,969.30 = 44,255.80/x
  3. Step 3: Cross multiply
    88,661.80x = 132,969.30 × 44,255.80
  4. Step 4: Simplify right side
    88,661.80x = 5,884,662,746.94
  5. Step 5: Solve for x
    x = 5,884,662,746.94/88,661.80
  6. Step 6: Final answer
    x = 66,372.02

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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.