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Finding the Fourth Proportional to 150,877.72, 226,365.72 and 71,981.74

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Solution

The fourth proportional to 150,877.72, 226,365.72 and 71,981.74 is: 107,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877.72 : 226,365.72 = 71,981.74 : x
  2. Step 2: Convert to fraction form
    150,877.72/226,365.72 = 71,981.74/x
  3. Step 3: Cross multiply
    150,877.72x = 226,365.72 × 71,981.74
  4. Step 4: Simplify right side
    150,877.72x = 16,294,198,401.95
  5. Step 5: Solve for x
    x = 16,294,198,401.95/150,877.72
  6. Step 6: Final answer
    x = 107,996.05

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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.