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Finding the Fourth Proportional to 80,573.20, 111,208.80 and 44,775.52

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Solution

The fourth proportional to 80,573.20, 111,208.80 and 44,775.52 is: 61,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.20 : 111,208.80 = 44,775.52 : x
  2. Step 2: Convert to fraction form
    80,573.20/111,208.80 = 44,775.52/x
  3. Step 3: Cross multiply
    80,573.20x = 111,208.80 × 44,775.52
  4. Step 4: Simplify right side
    80,573.20x = 4,979,431,848.58
  5. Step 5: Solve for x
    x = 4,979,431,848.58/80,573.20
  6. Step 6: Final answer
    x = 61,800.10

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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.