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Finding the Fourth Proportional to 144,469.62, 199,364.22 and 79,937.19

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Solution

The fourth proportional to 144,469.62, 199,364.22 and 79,937.19 is: 110,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,469.62 : 199,364.22 = 79,937.19 : x
  2. Step 2: Convert to fraction form
    144,469.62/199,364.22 = 79,937.19/x
  3. Step 3: Cross multiply
    144,469.62x = 199,364.22 × 79,937.19
  4. Step 4: Simplify right side
    144,469.62x = 15,936,615,533.34
  5. Step 5: Solve for x
    x = 15,936,615,533.34/144,469.62
  6. Step 6: Final answer
    x = 110,311.19

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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.