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Finding the Fourth Proportional to 204,606.79, 282,371.57 and 124,037.71

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Solution

The fourth proportional to 204,606.79, 282,371.57 and 124,037.71 is: 171,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,606.79 : 282,371.57 = 124,037.71 : x
  2. Step 2: Convert to fraction form
    204,606.79/282,371.57 = 124,037.71/x
  3. Step 3: Cross multiply
    204,606.79x = 282,371.57 × 124,037.71
  4. Step 4: Simplify right side
    204,606.79x = 35,024,723,109.82
  5. Step 5: Solve for x
    x = 35,024,723,109.82/204,606.79
  6. Step 6: Final answer
    x = 171,180.65

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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.