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Finding the Fourth Proportional to 160,889.88, 222,028.04 and 89,270.42

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Solution

The fourth proportional to 160,889.88, 222,028.04 and 89,270.42 is: 123,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,889.88 : 222,028.04 = 89,270.42 : x
  2. Step 2: Convert to fraction form
    160,889.88/222,028.04 = 89,270.42/x
  3. Step 3: Cross multiply
    160,889.88x = 222,028.04 × 89,270.42
  4. Step 4: Simplify right side
    160,889.88x = 19,820,534,826.08
  5. Step 5: Solve for x
    x = 19,820,534,826.08/160,889.88
  6. Step 6: Final answer
    x = 123,193.17

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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.