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Finding the Fourth Proportional to 117,573.60, 162,251.92 and 63,859.52

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Solution

The fourth proportional to 117,573.60, 162,251.92 and 63,859.52 is: 88,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,573.60 : 162,251.92 = 63,859.52 : x
  2. Step 2: Convert to fraction form
    117,573.60/162,251.92 = 63,859.52/x
  3. Step 3: Cross multiply
    117,573.60x = 162,251.92 × 63,859.52
  4. Step 4: Simplify right side
    117,573.60x = 10,361,329,730.28
  5. Step 5: Solve for x
    x = 10,361,329,730.28/117,573.60
  6. Step 6: Final answer
    x = 88,126.33

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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.