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Finding the Fourth Proportional to 269,700.84, 404,449.20 and 89,754.48

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Solution

The fourth proportional to 269,700.84, 404,449.20 and 89,754.48 is: 134,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,700.84 : 404,449.20 = 89,754.48 : x
  2. Step 2: Convert to fraction form
    269,700.84/404,449.20 = 89,754.48/x
  3. Step 3: Cross multiply
    269,700.84x = 404,449.20 × 89,754.48
  4. Step 4: Simplify right side
    269,700.84x = 36,301,127,632.42
  5. Step 5: Solve for x
    x = 36,301,127,632.42/269,700.84
  6. Step 6: Final answer
    x = 134,597.76

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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.