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Finding the Fourth Proportional to 88,394.55, 121,963.18 and 52,097.44

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Solution

The fourth proportional to 88,394.55, 121,963.18 and 52,097.44 is: 71,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.55 : 121,963.18 = 52,097.44 : x
  2. Step 2: Convert to fraction form
    88,394.55/121,963.18 = 52,097.44/x
  3. Step 3: Cross multiply
    88,394.55x = 121,963.18 × 52,097.44
  4. Step 4: Simplify right side
    88,394.55x = 6,353,969,452.26
  5. Step 5: Solve for x
    x = 6,353,969,452.26/88,394.55
  6. Step 6: Final answer
    x = 71,881.91

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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.