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Finding the Fourth Proportional to 78,797.06, 108,749.15 and 44,810.61

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Solution

The fourth proportional to 78,797.06, 108,749.15 and 44,810.61 is: 61,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.06 : 108,749.15 = 44,810.61 : x
  2. Step 2: Convert to fraction form
    78,797.06/108,749.15 = 44,810.61/x
  3. Step 3: Cross multiply
    78,797.06x = 108,749.15 × 44,810.61
  4. Step 4: Simplify right side
    78,797.06x = 4,873,115,748.48
  5. Step 5: Solve for x
    x = 4,873,115,748.48/78,797.06
  6. Step 6: Final answer
    x = 61,843.88

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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.