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Finding the Fourth Proportional to 161,364.97, 222,680.49 and 89,743.45

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Solution

The fourth proportional to 161,364.97, 222,680.49 and 89,743.45 is: 123,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,364.97 : 222,680.49 = 89,743.45 : x
  2. Step 2: Convert to fraction form
    161,364.97/222,680.49 = 89,743.45/x
  3. Step 3: Cross multiply
    161,364.97x = 222,680.49 × 89,743.45
  4. Step 4: Simplify right side
    161,364.97x = 19,984,115,420.29
  5. Step 5: Solve for x
    x = 19,984,115,420.29/161,364.97
  6. Step 6: Final answer
    x = 123,844.20

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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.