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Finding the Fourth Proportional to 250,473.96, 375,749.82 and 84,249

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Solution

The fourth proportional to 250,473.96, 375,749.82 and 84,249 is: 126,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,473.96 : 375,749.82 = 84,249 : x
  2. Step 2: Convert to fraction form
    250,473.96/375,749.82 = 84,249/x
  3. Step 3: Cross multiply
    250,473.96x = 375,749.82 × 84,249
  4. Step 4: Simplify right side
    250,473.96x = 31,656,546,585.18
  5. Step 5: Solve for x
    x = 31,656,546,585.18/250,473.96
  6. Step 6: Final answer
    x = 126,386.58

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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.