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Finding the Fourth Proportional to 78,763.54, 108,696.41 and 44,773.45

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Solution

The fourth proportional to 78,763.54, 108,696.41 and 44,773.45 is: 61,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,763.54 : 108,696.41 = 44,773.45 : x
  2. Step 2: Convert to fraction form
    78,763.54/108,696.41 = 44,773.45/x
  3. Step 3: Cross multiply
    78,763.54x = 108,696.41 × 44,773.45
  4. Step 4: Simplify right side
    78,763.54x = 4,866,713,278.31
  5. Step 5: Solve for x
    x = 4,866,713,278.31/78,763.54
  6. Step 6: Final answer
    x = 61,788.91

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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.