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Finding the Fourth Proportional to 162,244.80, 243,136.80 and 119,793.60

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Solution

The fourth proportional to 162,244.80, 243,136.80 and 119,793.60 is: 179,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,244.80 : 243,136.80 = 119,793.60 : x
  2. Step 2: Convert to fraction form
    162,244.80/243,136.80 = 119,793.60/x
  3. Step 3: Cross multiply
    162,244.80x = 243,136.80 × 119,793.60
  4. Step 4: Simplify right side
    162,244.80x = 29,126,232,564.48
  5. Step 5: Solve for x
    x = 29,126,232,564.48/162,244.80
  6. Step 6: Final answer
    x = 179,520.28

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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.