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Finding the Fourth Proportional to 162,808.20, 244,212.30 and 74,234.70

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Solution

The fourth proportional to 162,808.20, 244,212.30 and 74,234.70 is: 111,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,808.20 : 244,212.30 = 74,234.70 : x
  2. Step 2: Convert to fraction form
    162,808.20/244,212.30 = 74,234.70/x
  3. Step 3: Cross multiply
    162,808.20x = 244,212.30 × 74,234.70
  4. Step 4: Simplify right side
    162,808.20x = 18,129,026,826.81
  5. Step 5: Solve for x
    x = 18,129,026,826.81/162,808.20
  6. Step 6: Final answer
    x = 111,352.05

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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.