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Finding the Fourth Proportional to 135,027.36, 202,541.13 and 35,187.30

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Solution

The fourth proportional to 135,027.36, 202,541.13 and 35,187.30 is: 52,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,027.36 : 202,541.13 = 35,187.30 : x
  2. Step 2: Convert to fraction form
    135,027.36/202,541.13 = 35,187.30/x
  3. Step 3: Cross multiply
    135,027.36x = 202,541.13 × 35,187.30
  4. Step 4: Simplify right side
    135,027.36x = 7,126,875,503.65
  5. Step 5: Solve for x
    x = 7,126,875,503.65/135,027.36
  6. Step 6: Final answer
    x = 52,780.97

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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.