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Finding the Fourth Proportional to 144,603.39, 199,546.88 and 80,947.47

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Solution

The fourth proportional to 144,603.39, 199,546.88 and 80,947.47 is: 111,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,603.39 : 199,546.88 = 80,947.47 : x
  2. Step 2: Convert to fraction form
    144,603.39/199,546.88 = 80,947.47/x
  3. Step 3: Cross multiply
    144,603.39x = 199,546.88 × 80,947.47
  4. Step 4: Simplify right side
    144,603.39x = 16,152,814,677.66
  5. Step 5: Solve for x
    x = 16,152,814,677.66/144,603.39
  6. Step 6: Final answer
    x = 111,704.26

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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.