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Finding the Fourth Proportional to 79,923.71, 119,841.42 and 50,278.12

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Solution

The fourth proportional to 79,923.71, 119,841.42 and 50,278.12 is: 75,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,923.71 : 119,841.42 = 50,278.12 : x
  2. Step 2: Convert to fraction form
    79,923.71/119,841.42 = 50,278.12/x
  3. Step 3: Cross multiply
    79,923.71x = 119,841.42 × 50,278.12
  4. Step 4: Simplify right side
    79,923.71x = 6,025,401,184.67
  5. Step 5: Solve for x
    x = 6,025,401,184.67/79,923.71
  6. Step 6: Final answer
    x = 75,389.41

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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.