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Finding the Fourth Proportional to 83,894.33, 125,841.47 and 57,519.11

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Solution

The fourth proportional to 83,894.33, 125,841.47 and 57,519.11 is: 86,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,894.33 : 125,841.47 = 57,519.11 : x
  2. Step 2: Convert to fraction form
    83,894.33/125,841.47 = 57,519.11/x
  3. Step 3: Cross multiply
    83,894.33x = 125,841.47 × 57,519.11
  4. Step 4: Simplify right side
    83,894.33x = 7,238,289,382.50
  5. Step 5: Solve for x
    x = 7,238,289,382.50/83,894.33
  6. Step 6: Final answer
    x = 86,278.65

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