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Finding the Fourth Proportional to 60,793.44, 91,224.80 and 48,559.20

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Solution

The fourth proportional to 60,793.44, 91,224.80 and 48,559.20 is: 72,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,793.44 : 91,224.80 = 48,559.20 : x
  2. Step 2: Convert to fraction form
    60,793.44/91,224.80 = 48,559.20/x
  3. Step 3: Cross multiply
    60,793.44x = 91,224.80 × 48,559.20
  4. Step 4: Simplify right side
    60,793.44x = 4,429,803,308.16
  5. Step 5: Solve for x
    x = 4,429,803,308.16/60,793.44
  6. Step 6: Final answer
    x = 72,866.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.