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Finding the Fourth Proportional to 136,298.89, 188,027.89 and 96,034.87

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Solution

The fourth proportional to 136,298.89, 188,027.89 and 96,034.87 is: 132,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.89 : 188,027.89 = 96,034.87 : x
  2. Step 2: Convert to fraction form
    136,298.89/188,027.89 = 96,034.87/x
  3. Step 3: Cross multiply
    136,298.89x = 188,027.89 × 96,034.87
  4. Step 4: Simplify right side
    136,298.89x = 18,057,233,972.52
  5. Step 5: Solve for x
    x = 18,057,233,972.52/136,298.89
  6. Step 6: Final answer
    x = 132,482.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.