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Finding the Fourth Proportional to 79,713.10, 119,541.30 and 35,260.30

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Solution

The fourth proportional to 79,713.10, 119,541.30 and 35,260.30 is: 52,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713.10 : 119,541.30 = 35,260.30 : x
  2. Step 2: Convert to fraction form
    79,713.10/119,541.30 = 35,260.30/x
  3. Step 3: Cross multiply
    79,713.10x = 119,541.30 × 35,260.30
  4. Step 4: Simplify right side
    79,713.10x = 4,215,062,100.39
  5. Step 5: Solve for x
    x = 4,215,062,100.39/79,713.10
  6. Step 6: Final answer
    x = 52,877.91

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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.