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Finding the Fourth Proportional to 250,550.42, 375,785.62 and 73,015.90

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Solution

The fourth proportional to 250,550.42, 375,785.62 and 73,015.90 is: 109,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,550.42 : 375,785.62 = 73,015.90 : x
  2. Step 2: Convert to fraction form
    250,550.42/375,785.62 = 73,015.90/x
  3. Step 3: Cross multiply
    250,550.42x = 375,785.62 × 73,015.90
  4. Step 4: Simplify right side
    250,550.42x = 27,438,325,251.36
  5. Step 5: Solve for x
    x = 27,438,325,251.36/250,550.42
  6. Step 6: Final answer
    x = 109,512.19

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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.