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Finding the Fourth Proportional to 245,695.28, 338,889.84 and 150,248.94

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Solution

The fourth proportional to 245,695.28, 338,889.84 and 150,248.94 is: 207,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,695.28 : 338,889.84 = 150,248.94 : x
  2. Step 2: Convert to fraction form
    245,695.28/338,889.84 = 150,248.94/x
  3. Step 3: Cross multiply
    245,695.28x = 338,889.84 × 150,248.94
  4. Step 4: Simplify right side
    245,695.28x = 50,917,839,236.77
  5. Step 5: Solve for x
    x = 50,917,839,236.77/245,695.28
  6. Step 6: Final answer
    x = 207,239.79

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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.