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Finding the Fourth Proportional to 162,474.52, 243,621.25 and 50,122.86

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Solution

The fourth proportional to 162,474.52, 243,621.25 and 50,122.86 is: 75,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,474.52 : 243,621.25 = 50,122.86 : x
  2. Step 2: Convert to fraction form
    162,474.52/243,621.25 = 50,122.86/x
  3. Step 3: Cross multiply
    162,474.52x = 243,621.25 × 50,122.86
  4. Step 4: Simplify right side
    162,474.52x = 12,210,993,806.78
  5. Step 5: Solve for x
    x = 12,210,993,806.78/162,474.52
  6. Step 6: Final answer
    x = 75,156.36

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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.