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Finding the Fourth Proportional to 162,672.70, 243,812.22 and 73,836.76

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Solution

The fourth proportional to 162,672.70, 243,812.22 and 73,836.76 is: 110,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,672.70 : 243,812.22 = 73,836.76 : x
  2. Step 2: Convert to fraction form
    162,672.70/243,812.22 = 73,836.76/x
  3. Step 3: Cross multiply
    162,672.70x = 243,812.22 × 73,836.76
  4. Step 4: Simplify right side
    162,672.70x = 18,002,304,373.21
  5. Step 5: Solve for x
    x = 18,002,304,373.21/162,672.70
  6. Step 6: Final answer
    x = 110,665.80

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1.5x scale

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.