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Finding the Fourth Proportional to 79,560.54, 119,340.81 and 37,881.18

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Solution

The fourth proportional to 79,560.54, 119,340.81 and 37,881.18 is: 56,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,560.54 : 119,340.81 = 37,881.18 : x
  2. Step 2: Convert to fraction form
    79,560.54/119,340.81 = 37,881.18/x
  3. Step 3: Cross multiply
    79,560.54x = 119,340.81 × 37,881.18
  4. Step 4: Simplify right side
    79,560.54x = 4,520,770,704.96
  5. Step 5: Solve for x
    x = 4,520,770,704.96/79,560.54
  6. Step 6: Final answer
    x = 56,821.77

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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.