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Finding the Fourth Proportional to 79,707.28, 119,487.06 and 35,310.37

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Solution

The fourth proportional to 79,707.28, 119,487.06 and 35,310.37 is: 52,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.28 : 119,487.06 = 35,310.37 : x
  2. Step 2: Convert to fraction form
    79,707.28/119,487.06 = 35,310.37/x
  3. Step 3: Cross multiply
    79,707.28x = 119,487.06 × 35,310.37
  4. Step 4: Simplify right side
    79,707.28x = 4,219,132,298.81
  5. Step 5: Solve for x
    x = 4,219,132,298.81/79,707.28
  6. Step 6: Final answer
    x = 52,932.83

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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.