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Finding the Fourth Proportional to 250,067.44, 375,134.10 and 81,528.58

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Solution

The fourth proportional to 250,067.44, 375,134.10 and 81,528.58 is: 122,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,067.44 : 375,134.10 = 81,528.58 : x
  2. Step 2: Convert to fraction form
    250,067.44/375,134.10 = 81,528.58/x
  3. Step 3: Cross multiply
    250,067.44x = 375,134.10 × 81,528.58
  4. Step 4: Simplify right side
    250,067.44x = 30,584,150,482.58
  5. Step 5: Solve for x
    x = 30,584,150,482.58/250,067.44
  6. Step 6: Final answer
    x = 122,303.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.