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Finding the Fourth Proportional to 160,571.66, 221,601.40 and 88,958.30

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Solution

The fourth proportional to 160,571.66, 221,601.40 and 88,958.30 is: 122,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,571.66 : 221,601.40 = 88,958.30 : x
  2. Step 2: Convert to fraction form
    160,571.66/221,601.40 = 88,958.30/x
  3. Step 3: Cross multiply
    160,571.66x = 221,601.40 × 88,958.30
  4. Step 4: Simplify right side
    160,571.66x = 19,713,283,821.62
  5. Step 5: Solve for x
    x = 19,713,283,821.62/160,571.66
  6. Step 6: Final answer
    x = 122,769.38

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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.