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Finding the Fourth Proportional to 144,404.80, 199,279.80 and 79,883.44

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Solution

The fourth proportional to 144,404.80, 199,279.80 and 79,883.44 is: 110,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,404.80 : 199,279.80 = 79,883.44 : x
  2. Step 2: Convert to fraction form
    144,404.80/199,279.80 = 79,883.44/x
  3. Step 3: Cross multiply
    144,404.80x = 199,279.80 × 79,883.44
  4. Step 4: Simplify right side
    144,404.80x = 15,919,155,946.51
  5. Step 5: Solve for x
    x = 15,919,155,946.51/144,404.80
  6. Step 6: Final answer
    x = 110,239.80

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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.