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Finding the Fourth Proportional to 237,401.40, 356,102.10 and 79,591.80

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Solution

The fourth proportional to 237,401.40, 356,102.10 and 79,591.80 is: 119,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,401.40 : 356,102.10 = 79,591.80 : x
  2. Step 2: Convert to fraction form
    237,401.40/356,102.10 = 79,591.80/x
  3. Step 3: Cross multiply
    237,401.40x = 356,102.10 × 79,591.80
  4. Step 4: Simplify right side
    237,401.40x = 28,342,807,122.78
  5. Step 5: Solve for x
    x = 28,342,807,122.78/237,401.40
  6. Step 6: Final answer
    x = 119,387.70

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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.