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Finding the Fourth Proportional to 160,900.88, 222,040.36 and 89,279.68

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Solution

The fourth proportional to 160,900.88, 222,040.36 and 89,279.68 is: 123,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,900.88 : 222,040.36 = 89,279.68 : x
  2. Step 2: Convert to fraction form
    160,900.88/222,040.36 = 89,279.68/x
  3. Step 3: Cross multiply
    160,900.88x = 222,040.36 × 89,279.68
  4. Step 4: Simplify right side
    160,900.88x = 19,823,692,287.88
  5. Step 5: Solve for x
    x = 19,823,692,287.88/160,900.88
  6. Step 6: Final answer
    x = 123,204.37

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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.