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Finding the Fourth Proportional to 92,825.60, 139,258.60 and 52,863.48

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Solution

The fourth proportional to 92,825.60, 139,258.60 and 52,863.48 is: 79,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,825.60 : 139,258.60 = 52,863.48 : x
  2. Step 2: Convert to fraction form
    92,825.60/139,258.60 = 52,863.48/x
  3. Step 3: Cross multiply
    92,825.60x = 139,258.60 × 52,863.48
  4. Step 4: Simplify right side
    92,825.60x = 7,361,694,083.77
  5. Step 5: Solve for x
    x = 7,361,694,083.77/92,825.60
  6. Step 6: Final answer
    x = 79,306.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.