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Finding the Fourth Proportional to 144,589.88, 199,536.50 and 79,184.45

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Solution

The fourth proportional to 144,589.88, 199,536.50 and 79,184.45 is: 109,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,589.88 : 199,536.50 = 79,184.45 : x
  2. Step 2: Convert to fraction form
    144,589.88/199,536.50 = 79,184.45/x
  3. Step 3: Cross multiply
    144,589.88x = 199,536.50 × 79,184.45
  4. Step 4: Simplify right side
    144,589.88x = 15,800,188,258.81
  5. Step 5: Solve for x
    x = 15,800,188,258.81/144,589.88
  6. Step 6: Final answer
    x = 109,275.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.