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Finding the Fourth Proportional to 79,857.18, 110,203.16 and 44,047.76

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Solution

The fourth proportional to 79,857.18, 110,203.16 and 44,047.76 is: 60,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857.18 : 110,203.16 = 44,047.76 : x
  2. Step 2: Convert to fraction form
    79,857.18/110,203.16 = 44,047.76/x
  3. Step 3: Cross multiply
    79,857.18x = 110,203.16 × 44,047.76
  4. Step 4: Simplify right side
    79,857.18x = 4,854,201,571.67
  5. Step 5: Solve for x
    x = 4,854,201,571.67/79,857.18
  6. Step 6: Final answer
    x = 60,786.04

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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.