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Finding the Fourth Proportional to 79,104.60, 109,164.39 and 43,294.59

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Solution

The fourth proportional to 79,104.60, 109,164.39 and 43,294.59 is: 59,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.60 : 109,164.39 = 43,294.59 : x
  2. Step 2: Convert to fraction form
    79,104.60/109,164.39 = 43,294.59/x
  3. Step 3: Cross multiply
    79,104.60x = 109,164.39 × 43,294.59
  4. Step 4: Simplify right side
    79,104.60x = 4,726,227,507.65
  5. Step 5: Solve for x
    x = 4,726,227,507.65/79,104.60
  6. Step 6: Final answer
    x = 59,746.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.