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Finding the Fourth Proportional to 240,753.08, 360,932.54 and 90,908.34

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Solution

The fourth proportional to 240,753.08, 360,932.54 and 90,908.34 is: 136,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,753.08 : 360,932.54 = 90,908.34 : x
  2. Step 2: Convert to fraction form
    240,753.08/360,932.54 = 90,908.34/x
  3. Step 3: Cross multiply
    240,753.08x = 360,932.54 × 90,908.34
  4. Step 4: Simplify right side
    240,753.08x = 32,811,778,063.38
  5. Step 5: Solve for x
    x = 32,811,778,063.38/240,753.08
  6. Step 6: Final answer
    x = 136,288.09

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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.