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Finding the Fourth Proportional to 242,081.80, 363,122.70 and 162,766.60

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Solution

The fourth proportional to 242,081.80, 363,122.70 and 162,766.60 is: 244,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,081.80 : 363,122.70 = 162,766.60 : x
  2. Step 2: Convert to fraction form
    242,081.80/363,122.70 = 162,766.60/x
  3. Step 3: Cross multiply
    242,081.80x = 363,122.70 × 162,766.60
  4. Step 4: Simplify right side
    242,081.80x = 59,104,247,261.82
  5. Step 5: Solve for x
    x = 59,104,247,261.82/242,081.80
  6. Step 6: Final answer
    x = 244,149.90

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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.