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Finding the Fourth Proportional to 68,020.27, 93,894.13 and 45,351

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Solution

The fourth proportional to 68,020.27, 93,894.13 and 45,351 is: 62,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020.27 : 93,894.13 = 45,351 : x
  2. Step 2: Convert to fraction form
    68,020.27/93,894.13 = 45,351/x
  3. Step 3: Cross multiply
    68,020.27x = 93,894.13 × 45,351
  4. Step 4: Simplify right side
    68,020.27x = 4,258,192,689.63
  5. Step 5: Solve for x
    x = 4,258,192,689.63/68,020.27
  6. Step 6: Final answer
    x = 62,601.82

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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.