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Finding the Fourth Proportional to 88,367.64, 121,945.98 and 48,080.46

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Solution

The fourth proportional to 88,367.64, 121,945.98 and 48,080.46 is: 66,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367.64 : 121,945.98 = 48,080.46 : x
  2. Step 2: Convert to fraction form
    88,367.64/121,945.98 = 48,080.46/x
  3. Step 3: Cross multiply
    88,367.64x = 121,945.98 × 48,080.46
  4. Step 4: Simplify right side
    88,367.64x = 5,863,218,813.55
  5. Step 5: Solve for x
    x = 5,863,218,813.55/88,367.64
  6. Step 6: Final answer
    x = 66,350.29

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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.