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Finding the Fourth Proportional to 104,793.62, 144,339.72 and 80,548.22

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Solution

The fourth proportional to 104,793.62, 144,339.72 and 80,548.22 is: 110,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,793.62 : 144,339.72 = 80,548.22 : x
  2. Step 2: Convert to fraction form
    104,793.62/144,339.72 = 80,548.22/x
  3. Step 3: Cross multiply
    104,793.62x = 144,339.72 × 80,548.22
  4. Step 4: Simplify right side
    104,793.62x = 11,626,307,521.30
  5. Step 5: Solve for x
    x = 11,626,307,521.30/104,793.62
  6. Step 6: Final answer
    x = 110,944.80

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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.