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Finding the Fourth Proportional to 62,208, 93,778.56 and 61,274.88

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Solution

The fourth proportional to 62,208, 93,778.56 and 61,274.88 is: 92,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208 : 93,778.56 = 61,274.88 : x
  2. Step 2: Convert to fraction form
    62,208/93,778.56 = 61,274.88/x
  3. Step 3: Cross multiply
    62,208x = 93,778.56 × 61,274.88
  4. Step 4: Simplify right side
    62,208x = 5,746,270,010.57
  5. Step 5: Solve for x
    x = 5,746,270,010.57/62,208
  6. Step 6: Final answer
    x = 92,371.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.