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Finding the Fourth Proportional to 160,794.81, 221,889.24 and 89,173.29

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Solution

The fourth proportional to 160,794.81, 221,889.24 and 89,173.29 is: 123,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,794.81 : 221,889.24 = 89,173.29 : x
  2. Step 2: Convert to fraction form
    160,794.81/221,889.24 = 89,173.29/x
  3. Step 3: Cross multiply
    160,794.81x = 221,889.24 × 89,173.29
  4. Step 4: Simplify right side
    160,794.81x = 19,786,593,546.40
  5. Step 5: Solve for x
    x = 19,786,593,546.40/160,794.81
  6. Step 6: Final answer
    x = 123,054.93

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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.