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Finding the Fourth Proportional to 160,862.62, 222,003.93 and 89,241.40

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Solution

The fourth proportional to 160,862.62, 222,003.93 and 89,241.40 is: 123,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,862.62 : 222,003.93 = 89,241.40 : x
  2. Step 2: Convert to fraction form
    160,862.62/222,003.93 = 89,241.40/x
  3. Step 3: Cross multiply
    160,862.62x = 222,003.93 × 89,241.40
  4. Step 4: Simplify right side
    160,862.62x = 19,811,941,518.70
  5. Step 5: Solve for x
    x = 19,811,941,518.70/160,862.62
  6. Step 6: Final answer
    x = 123,160.63

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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.