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Finding the Fourth Proportional to 143,894.44, 215,789.82 and 60,794.92

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Solution

The fourth proportional to 143,894.44, 215,789.82 and 60,794.92 is: 91,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,894.44 : 215,789.82 = 60,794.92 : x
  2. Step 2: Convert to fraction form
    143,894.44/215,789.82 = 60,794.92/x
  3. Step 3: Cross multiply
    143,894.44x = 215,789.82 × 60,794.92
  4. Step 4: Simplify right side
    143,894.44x = 13,118,924,843.71
  5. Step 5: Solve for x
    x = 13,118,924,843.71/143,894.44
  6. Step 6: Final answer
    x = 91,170.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.