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Finding the Fourth Proportional to 79,940.62, 119,840.34 and 32,595.31

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Solution

The fourth proportional to 79,940.62, 119,840.34 and 32,595.31 is: 48,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.62 : 119,840.34 = 32,595.31 : x
  2. Step 2: Convert to fraction form
    79,940.62/119,840.34 = 32,595.31/x
  3. Step 3: Cross multiply
    79,940.62x = 119,840.34 × 32,595.31
  4. Step 4: Simplify right side
    79,940.62x = 3,906,233,304.84
  5. Step 5: Solve for x
    x = 3,906,233,304.84/79,940.62
  6. Step 6: Final answer
    x = 48,864.18

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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.