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Finding the Fourth Proportional to 200,411.64, 276,613.44 and 124,945.56

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Solution

The fourth proportional to 200,411.64, 276,613.44 and 124,945.56 is: 172,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,411.64 : 276,613.44 = 124,945.56 : x
  2. Step 2: Convert to fraction form
    200,411.64/276,613.44 = 124,945.56/x
  3. Step 3: Cross multiply
    200,411.64x = 276,613.44 × 124,945.56
  4. Step 4: Simplify right side
    200,411.64x = 34,561,621,164.33
  5. Step 5: Solve for x
    x = 34,561,621,164.33/200,411.64
  6. Step 6: Final answer
    x = 172,453.16

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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.