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Finding the Fourth Proportional to 160,968.62, 222,139.31 and 88,378.22

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Solution

The fourth proportional to 160,968.62, 222,139.31 and 88,378.22 is: 121,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.62 : 222,139.31 = 88,378.22 : x
  2. Step 2: Convert to fraction form
    160,968.62/222,139.31 = 88,378.22/x
  3. Step 3: Cross multiply
    160,968.62x = 222,139.31 × 88,378.22
  4. Step 4: Simplify right side
    160,968.62x = 19,632,275,920.08
  5. Step 5: Solve for x
    x = 19,632,275,920.08/160,968.62
  6. Step 6: Final answer
    x = 121,963.37

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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.