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Finding the Fourth Proportional to 160,910.60, 222,055.89 and 89,290.46

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Solution

The fourth proportional to 160,910.60, 222,055.89 and 89,290.46 is: 123,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,910.60 : 222,055.89 = 89,290.46 : x
  2. Step 2: Convert to fraction form
    160,910.60/222,055.89 = 89,290.46/x
  3. Step 3: Cross multiply
    160,910.60x = 222,055.89 × 89,290.46
  4. Step 4: Simplify right side
    160,910.60x = 19,827,472,563.81
  5. Step 5: Solve for x
    x = 19,827,472,563.81/160,910.60
  6. Step 6: Final answer
    x = 123,220.43

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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.