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Finding the Fourth Proportional to 162,353.84, 243,553.70 and 50,043.20

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Solution

The fourth proportional to 162,353.84, 243,553.70 and 50,043.20 is: 75,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.84 : 243,553.70 = 50,043.20 : x
  2. Step 2: Convert to fraction form
    162,353.84/243,553.70 = 50,043.20/x
  3. Step 3: Cross multiply
    162,353.84x = 243,553.70 × 50,043.20
  4. Step 4: Simplify right side
    162,353.84x = 12,188,206,519.84
  5. Step 5: Solve for x
    x = 12,188,206,519.84/162,353.84
  6. Step 6: Final answer
    x = 75,071.87

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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.