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Finding the Fourth Proportional to 79,870.86, 110,220.75 and 44,062.38

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Solution

The fourth proportional to 79,870.86, 110,220.75 and 44,062.38 is: 60,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,870.86 : 110,220.75 = 44,062.38 : x
  2. Step 2: Convert to fraction form
    79,870.86/110,220.75 = 44,062.38/x
  3. Step 3: Cross multiply
    79,870.86x = 110,220.75 × 44,062.38
  4. Step 4: Simplify right side
    79,870.86x = 4,856,588,570.39
  5. Step 5: Solve for x
    x = 4,856,588,570.39/79,870.86
  6. Step 6: Final answer
    x = 60,805.51

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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.