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Finding the Fourth Proportional to 160,794.79, 221,910.44 and 89,197.88

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Solution

The fourth proportional to 160,794.79, 221,910.44 and 89,197.88 is: 123,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,794.79 : 221,910.44 = 89,197.88 : x
  2. Step 2: Convert to fraction form
    160,794.79/221,910.44 = 89,197.88/x
  3. Step 3: Cross multiply
    160,794.79x = 221,910.44 × 89,197.88
  4. Step 4: Simplify right side
    160,794.79x = 19,793,939,242.33
  5. Step 5: Solve for x
    x = 19,793,939,242.33/160,794.79
  6. Step 6: Final answer
    x = 123,100.63

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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.