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Finding the Fourth Proportional to 175,282.65, 241,939.61 and 103,687.56

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Solution

The fourth proportional to 175,282.65, 241,939.61 and 103,687.56 is: 143,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,282.65 : 241,939.61 = 103,687.56 : x
  2. Step 2: Convert to fraction form
    175,282.65/241,939.61 = 103,687.56/x
  3. Step 3: Cross multiply
    175,282.65x = 241,939.61 × 103,687.56
  4. Step 4: Simplify right side
    175,282.65x = 25,086,127,309.81
  5. Step 5: Solve for x
    x = 25,086,127,309.81/175,282.65
  6. Step 6: Final answer
    x = 143,118.14

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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.