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Finding the Fourth Proportional to 79,171.00, 109,251.81 and 43,360.25

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Solution

The fourth proportional to 79,171.00, 109,251.81 and 43,360.25 is: 59,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.00 : 109,251.81 = 43,360.25 : x
  2. Step 2: Convert to fraction form
    79,171.00/109,251.81 = 43,360.25/x
  3. Step 3: Cross multiply
    79,171.00x = 109,251.81 × 43,360.25
  4. Step 4: Simplify right side
    79,171.00x = 4,737,185,248.29
  5. Step 5: Solve for x
    x = 4,737,185,248.29/79,171.00
  6. Step 6: Final answer
    x = 59,834.86

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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.