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Finding the Fourth Proportional to 162,836.20, 244,246.20 and 83,958.40

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Solution

The fourth proportional to 162,836.20, 244,246.20 and 83,958.40 is: 125,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,836.20 : 244,246.20 = 83,958.40 : x
  2. Step 2: Convert to fraction form
    162,836.20/244,246.20 = 83,958.40/x
  3. Step 3: Cross multiply
    162,836.20x = 244,246.20 × 83,958.40
  4. Step 4: Simplify right side
    162,836.20x = 20,506,520,158.08
  5. Step 5: Solve for x
    x = 20,506,520,158.08/162,836.20
  6. Step 6: Final answer
    x = 125,933.42

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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.