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Finding the Fourth Proportional to 272,245.68, 375,643.71 and 159,046.56

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Solution

The fourth proportional to 272,245.68, 375,643.71 and 159,046.56 is: 219,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,245.68 : 375,643.71 = 159,046.56 : x
  2. Step 2: Convert to fraction form
    272,245.68/375,643.71 = 159,046.56/x
  3. Step 3: Cross multiply
    272,245.68x = 375,643.71 × 159,046.56
  4. Step 4: Simplify right side
    272,245.68x = 59,744,839,861.14
  5. Step 5: Solve for x
    x = 59,744,839,861.14/272,245.68
  6. Step 6: Final answer
    x = 219,451.93

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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.