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Finding the Fourth Proportional to 200,034.56, 276,076.68 and 115,150.88

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Solution

The fourth proportional to 200,034.56, 276,076.68 and 115,150.88 is: 158,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,034.56 : 276,076.68 = 115,150.88 : x
  2. Step 2: Convert to fraction form
    200,034.56/276,076.68 = 115,150.88/x
  3. Step 3: Cross multiply
    200,034.56x = 276,076.68 × 115,150.88
  4. Step 4: Simplify right side
    200,034.56x = 31,790,472,649.48
  5. Step 5: Solve for x
    x = 31,790,472,649.48/200,034.56
  6. Step 6: Final answer
    x = 158,924.90

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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.