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Finding the Fourth Proportional to 242,408.20, 363,612.30 and 148,966.60

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Solution

The fourth proportional to 242,408.20, 363,612.30 and 148,966.60 is: 223,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,408.20 : 363,612.30 = 148,966.60 : x
  2. Step 2: Convert to fraction form
    242,408.20/363,612.30 = 148,966.60/x
  3. Step 3: Cross multiply
    242,408.20x = 363,612.30 × 148,966.60
  4. Step 4: Simplify right side
    242,408.20x = 54,166,088,049.18
  5. Step 5: Solve for x
    x = 54,166,088,049.18/242,408.20
  6. Step 6: Final answer
    x = 223,449.90

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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.