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Finding the Fourth Proportional to 77,014.80, 115,327.80 and 50,576.40

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Solution

The fourth proportional to 77,014.80, 115,327.80 and 50,576.40 is: 75,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,014.80 : 115,327.80 = 50,576.40 : x
  2. Step 2: Convert to fraction form
    77,014.80/115,327.80 = 50,576.40/x
  3. Step 3: Cross multiply
    77,014.80x = 115,327.80 × 50,576.40
  4. Step 4: Simplify right side
    77,014.80x = 5,832,864,943.92
  5. Step 5: Solve for x
    x = 5,832,864,943.92/77,014.80
  6. Step 6: Final answer
    x = 75,736.94

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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.