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Finding the Fourth Proportional to 200,455.92, 276,524.31 and 123,950.56

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Solution

The fourth proportional to 200,455.92, 276,524.31 and 123,950.56 is: 170,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,455.92 : 276,524.31 = 123,950.56 : x
  2. Step 2: Convert to fraction form
    200,455.92/276,524.31 = 123,950.56/x
  3. Step 3: Cross multiply
    200,455.92x = 276,524.31 × 123,950.56
  4. Step 4: Simplify right side
    200,455.92x = 34,275,342,154.40
  5. Step 5: Solve for x
    x = 34,275,342,154.40/200,455.92
  6. Step 6: Final answer
    x = 170,986.93

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1.5x scale

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.