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Finding the Fourth Proportional to 162,847.20, 244,262.70 and 83,969.40

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Solution

The fourth proportional to 162,847.20, 244,262.70 and 83,969.40 is: 125,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,847.20 : 244,262.70 = 83,969.40 : x
  2. Step 2: Convert to fraction form
    162,847.20/244,262.70 = 83,969.40/x
  3. Step 3: Cross multiply
    162,847.20x = 244,262.70 × 83,969.40
  4. Step 4: Simplify right side
    162,847.20x = 20,510,592,361.38
  5. Step 5: Solve for x
    x = 20,510,592,361.38/162,847.20
  6. Step 6: Final answer
    x = 125,949.92

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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.