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Finding the Fourth Proportional to 71,160.64, 98,202.72 and 41,352.64

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Solution

The fourth proportional to 71,160.64, 98,202.72 and 41,352.64 is: 57,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.64 : 98,202.72 = 41,352.64 : x
  2. Step 2: Convert to fraction form
    71,160.64/98,202.72 = 41,352.64/x
  3. Step 3: Cross multiply
    71,160.64x = 98,202.72 × 41,352.64
  4. Step 4: Simplify right side
    71,160.64x = 4,060,941,727.18
  5. Step 5: Solve for x
    x = 4,060,941,727.18/71,160.64
  6. Step 6: Final answer
    x = 57,067.25

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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.