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Finding the Fourth Proportional to 162,793.20, 244,189.80 and 99,807.60

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Solution

The fourth proportional to 162,793.20, 244,189.80 and 99,807.60 is: 149,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.20 : 244,189.80 = 99,807.60 : x
  2. Step 2: Convert to fraction form
    162,793.20/244,189.80 = 99,807.60/x
  3. Step 3: Cross multiply
    162,793.20x = 244,189.80 × 99,807.60
  4. Step 4: Simplify right side
    162,793.20x = 24,371,997,882.48
  5. Step 5: Solve for x
    x = 24,371,997,882.48/162,793.20
  6. Step 6: Final answer
    x = 149,711.40

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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.