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Finding the Fourth Proportional to 130,996.56, 196,471.08 and 59,903.04

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Solution

The fourth proportional to 130,996.56, 196,471.08 and 59,903.04 is: 89,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996.56 : 196,471.08 = 59,903.04 : x
  2. Step 2: Convert to fraction form
    130,996.56/196,471.08 = 59,903.04/x
  3. Step 3: Cross multiply
    130,996.56x = 196,471.08 × 59,903.04
  4. Step 4: Simplify right side
    130,996.56x = 11,769,214,964.08
  5. Step 5: Solve for x
    x = 11,769,214,964.08/130,996.56
  6. Step 6: Final answer
    x = 89,843.69

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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.