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Finding the Fourth Proportional to 79,595.64, 119,867.49 and 69,331.32

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Solution

The fourth proportional to 79,595.64, 119,867.49 and 69,331.32 is: 104,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.64 : 119,867.49 = 69,331.32 : x
  2. Step 2: Convert to fraction form
    79,595.64/119,867.49 = 69,331.32/x
  3. Step 3: Cross multiply
    79,595.64x = 119,867.49 × 69,331.32
  4. Step 4: Simplify right side
    79,595.64x = 8,310,571,306.79
  5. Step 5: Solve for x
    x = 8,310,571,306.79/79,595.64
  6. Step 6: Final answer
    x = 104,409.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.