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Finding the Fourth Proportional to 250,982.08, 376,659.08 and 138,758.92

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Solution

The fourth proportional to 250,982.08, 376,659.08 and 138,758.92 is: 208,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,982.08 : 376,659.08 = 138,758.92 : x
  2. Step 2: Convert to fraction form
    250,982.08/376,659.08 = 138,758.92/x
  3. Step 3: Cross multiply
    250,982.08x = 376,659.08 × 138,758.92
  4. Step 4: Simplify right side
    250,982.08x = 52,264,807,148.99
  5. Step 5: Solve for x
    x = 52,264,807,148.99/250,982.08
  6. Step 6: Final answer
    x = 208,241.19

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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.