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Finding the Fourth Proportional to 181,512.63, 250,451.55 and 109,899.27

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Solution

The fourth proportional to 181,512.63, 250,451.55 and 109,899.27 is: 151,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,512.63 : 250,451.55 = 109,899.27 : x
  2. Step 2: Convert to fraction form
    181,512.63/250,451.55 = 109,899.27/x
  3. Step 3: Cross multiply
    181,512.63x = 250,451.55 × 109,899.27
  4. Step 4: Simplify right side
    181,512.63x = 27,524,442,515.37
  5. Step 5: Solve for x
    x = 27,524,442,515.37/181,512.63
  6. Step 6: Final answer
    x = 151,639.27

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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.