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Finding the Fourth Proportional to 228,523.20, 342,728.88 and 95,404.56

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Solution

The fourth proportional to 228,523.20, 342,728.88 and 95,404.56 is: 143,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,523.20 : 342,728.88 = 95,404.56 : x
  2. Step 2: Convert to fraction form
    228,523.20/342,728.88 = 95,404.56/x
  3. Step 3: Cross multiply
    228,523.20x = 342,728.88 × 95,404.56
  4. Step 4: Simplify right side
    228,523.20x = 32,697,897,995.69
  5. Step 5: Solve for x
    x = 32,697,897,995.69/228,523.20
  6. Step 6: Final answer
    x = 143,083.49

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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.