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Finding the Fourth Proportional to 144,395.44, 199,257.50 and 79,860.83

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Solution

The fourth proportional to 144,395.44, 199,257.50 and 79,860.83 is: 110,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,395.44 : 199,257.50 = 79,860.83 : x
  2. Step 2: Convert to fraction form
    144,395.44/199,257.50 = 79,860.83/x
  3. Step 3: Cross multiply
    144,395.44x = 199,257.50 × 79,860.83
  4. Step 4: Simplify right side
    144,395.44x = 15,912,868,537.09
  5. Step 5: Solve for x
    x = 15,912,868,537.09/144,395.44
  6. Step 6: Final answer
    x = 110,203.40

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1.5x scale

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.