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Finding the Fourth Proportional to 63,299.52, 94,793.76 and 50,731.20

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Solution

The fourth proportional to 63,299.52, 94,793.76 and 50,731.20 is: 75,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,299.52 : 94,793.76 = 50,731.20 : x
  2. Step 2: Convert to fraction form
    63,299.52/94,793.76 = 50,731.20/x
  3. Step 3: Cross multiply
    63,299.52x = 94,793.76 × 50,731.20
  4. Step 4: Simplify right side
    63,299.52x = 4,809,001,197.31
  5. Step 5: Solve for x
    x = 4,809,001,197.31/63,299.52
  6. Step 6: Final answer
    x = 75,972.16

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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.