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Finding the Fourth Proportional to 175,324.56, 263,053.12 and 105,252.72

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Solution

The fourth proportional to 175,324.56, 263,053.12 and 105,252.72 is: 157,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,324.56 : 263,053.12 = 105,252.72 : x
  2. Step 2: Convert to fraction form
    175,324.56/263,053.12 = 105,252.72/x
  3. Step 3: Cross multiply
    175,324.56x = 263,053.12 × 105,252.72
  4. Step 4: Simplify right side
    175,324.56x = 27,687,056,384.49
  5. Step 5: Solve for x
    x = 27,687,056,384.49/175,324.56
  6. Step 6: Final answer
    x = 157,918.87

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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.