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Finding the Fourth Proportional to 79,852.80, 110,202.21 and 45,872.28

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Solution

The fourth proportional to 79,852.80, 110,202.21 and 45,872.28 is: 63,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,852.80 : 110,202.21 = 45,872.28 : x
  2. Step 2: Convert to fraction form
    79,852.80/110,202.21 = 45,872.28/x
  3. Step 3: Cross multiply
    79,852.80x = 110,202.21 × 45,872.28
  4. Step 4: Simplify right side
    79,852.80x = 5,055,226,633.74
  5. Step 5: Solve for x
    x = 5,055,226,633.74/79,852.80
  6. Step 6: Final answer
    x = 63,306.82

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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.