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Finding the Fourth Proportional to 88,366.31, 121,941.84 and 48,080.22

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Solution

The fourth proportional to 88,366.31, 121,941.84 and 48,080.22 is: 66,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,366.31 : 121,941.84 = 48,080.22 : x
  2. Step 2: Convert to fraction form
    88,366.31/121,941.84 = 48,080.22/x
  3. Step 3: Cross multiply
    88,366.31x = 121,941.84 × 48,080.22
  4. Step 4: Simplify right side
    88,366.31x = 5,862,990,494.40
  5. Step 5: Solve for x
    x = 5,862,990,494.40/88,366.31
  6. Step 6: Final answer
    x = 66,348.71

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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.