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Finding the Fourth Proportional to 367,161.82, 550,642.59 and 100,859.02

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Solution

The fourth proportional to 367,161.82, 550,642.59 and 100,859.02 is: 151,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,161.82 : 550,642.59 = 100,859.02 : x
  2. Step 2: Convert to fraction form
    367,161.82/550,642.59 = 100,859.02/x
  3. Step 3: Cross multiply
    367,161.82x = 550,642.59 × 100,859.02
  4. Step 4: Simplify right side
    367,161.82x = 55,537,271,997.66
  5. Step 5: Solve for x
    x = 55,537,271,997.66/367,161.82
  6. Step 6: Final answer
    x = 151,261.02

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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.