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Finding the Fourth Proportional to 88,366.71, 121,942.41 and 48,080.64

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Solution

The fourth proportional to 88,366.71, 121,942.41 and 48,080.64 is: 66,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,366.71 : 121,942.41 = 48,080.64 : x
  2. Step 2: Convert to fraction form
    88,366.71/121,942.41 = 48,080.64/x
  3. Step 3: Cross multiply
    88,366.71x = 121,942.41 × 48,080.64
  4. Step 4: Simplify right side
    88,366.71x = 5,863,069,115.94
  5. Step 5: Solve for x
    x = 5,863,069,115.94/88,366.71
  6. Step 6: Final answer
    x = 66,349.30

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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.