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Finding the Fourth Proportional to 200,375.04, 276,517.12 and 115,491.52

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Solution

The fourth proportional to 200,375.04, 276,517.12 and 115,491.52 is: 159,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,375.04 : 276,517.12 = 115,491.52 : x
  2. Step 2: Convert to fraction form
    200,375.04/276,517.12 = 115,491.52/x
  3. Step 3: Cross multiply
    200,375.04x = 276,517.12 × 115,491.52
  4. Step 4: Simplify right side
    200,375.04x = 31,935,382,494.82
  5. Step 5: Solve for x
    x = 31,935,382,494.82/200,375.04
  6. Step 6: Final answer
    x = 159,378.05

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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.