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Finding the Fourth Proportional to 367,967.78, 552,165.84 and 154,720.26

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Solution

The fourth proportional to 367,967.78, 552,165.84 and 154,720.26 is: 232,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,967.78 : 552,165.84 = 154,720.26 : x
  2. Step 2: Convert to fraction form
    367,967.78/552,165.84 = 154,720.26/x
  3. Step 3: Cross multiply
    367,967.78x = 552,165.84 × 154,720.26
  4. Step 4: Simplify right side
    367,967.78x = 85,431,242,327.92
  5. Step 5: Solve for x
    x = 85,431,242,327.92/367,967.78
  6. Step 6: Final answer
    x = 232,170.44

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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.