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Finding the Fourth Proportional to 79,870.42, 110,220.87 and 44,062.66

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Solution

The fourth proportional to 79,870.42, 110,220.87 and 44,062.66 is: 60,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,870.42 : 110,220.87 = 44,062.66 : x
  2. Step 2: Convert to fraction form
    79,870.42/110,220.87 = 44,062.66/x
  3. Step 3: Cross multiply
    79,870.42x = 110,220.87 × 44,062.66
  4. Step 4: Simplify right side
    79,870.42x = 4,856,624,719.71
  5. Step 5: Solve for x
    x = 4,856,624,719.71/79,870.42
  6. Step 6: Final answer
    x = 60,806.30

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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.