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Finding the Fourth Proportional to 82,894.73, 124,378.84 and 43,442.46

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Solution

The fourth proportional to 82,894.73, 124,378.84 and 43,442.46 is: 65,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,894.73 : 124,378.84 = 43,442.46 : x
  2. Step 2: Convert to fraction form
    82,894.73/124,378.84 = 43,442.46/x
  3. Step 3: Cross multiply
    82,894.73x = 124,378.84 × 43,442.46
  4. Step 4: Simplify right side
    82,894.73x = 5,403,322,781.55
  5. Step 5: Solve for x
    x = 5,403,322,781.55/82,894.73
  6. Step 6: Final answer
    x = 65,182.95

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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.