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Finding the Fourth Proportional to 268,752.85, 370,869.62 and 147,882.82

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Solution

The fourth proportional to 268,752.85, 370,869.62 and 147,882.82 is: 204,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,752.85 : 370,869.62 = 147,882.82 : x
  2. Step 2: Convert to fraction form
    268,752.85/370,869.62 = 147,882.82/x
  3. Step 3: Cross multiply
    268,752.85x = 370,869.62 × 147,882.82
  4. Step 4: Simplify right side
    268,752.85x = 54,845,245,257.93
  5. Step 5: Solve for x
    x = 54,845,245,257.93/268,752.85
  6. Step 6: Final answer
    x = 204,073.17

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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.