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Finding the Fourth Proportional to 242,000.78, 363,000.94 and 73,520.42

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Solution

The fourth proportional to 242,000.78, 363,000.94 and 73,520.42 is: 110,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,000.78 : 363,000.94 = 73,520.42 : x
  2. Step 2: Convert to fraction form
    242,000.78/363,000.94 = 73,520.42/x
  3. Step 3: Cross multiply
    242,000.78x = 363,000.94 × 73,520.42
  4. Step 4: Simplify right side
    242,000.78x = 26,687,979,570.39
  5. Step 5: Solve for x
    x = 26,687,979,570.39/242,000.78
  6. Step 6: Final answer
    x = 110,280.55

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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.