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Finding the Fourth Proportional to 57,176.52, 85,766.46 and 48,803.73

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Solution

The fourth proportional to 57,176.52, 85,766.46 and 48,803.73 is: 73,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.52 : 85,766.46 = 48,803.73 : x
  2. Step 2: Convert to fraction form
    57,176.52/85,766.46 = 48,803.73/x
  3. Step 3: Cross multiply
    57,176.52x = 85,766.46 × 48,803.73
  4. Step 4: Simplify right side
    57,176.52x = 4,185,723,156.90
  5. Step 5: Solve for x
    x = 4,185,723,156.90/57,176.52
  6. Step 6: Final answer
    x = 73,207.03

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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.