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Finding the Fourth Proportional to 200,641.08, 276,912.87 and 124,184.68

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Solution

The fourth proportional to 200,641.08, 276,912.87 and 124,184.68 is: 171,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,641.08 : 276,912.87 = 124,184.68 : x
  2. Step 2: Convert to fraction form
    200,641.08/276,912.87 = 124,184.68/x
  3. Step 3: Cross multiply
    200,641.08x = 276,912.87 × 124,184.68
  4. Step 4: Simplify right side
    200,641.08x = 34,388,335,456.55
  5. Step 5: Solve for x
    x = 34,388,335,456.55/200,641.08
  6. Step 6: Final answer
    x = 171,392.30

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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.