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Finding the Fourth Proportional to 78,750.95, 108,673.97 and 44,763.15

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Solution

The fourth proportional to 78,750.95, 108,673.97 and 44,763.15 is: 61,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,750.95 : 108,673.97 = 44,763.15 : x
  2. Step 2: Convert to fraction form
    78,750.95/108,673.97 = 44,763.15/x
  3. Step 3: Cross multiply
    78,750.95x = 108,673.97 × 44,763.15
  4. Step 4: Simplify right side
    78,750.95x = 4,864,589,044.42
  5. Step 5: Solve for x
    x = 4,864,589,044.42/78,750.95
  6. Step 6: Final answer
    x = 61,771.81

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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.