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Finding the Fourth Proportional to 160,871.88, 222,003.21 and 89,252.42

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Solution

The fourth proportional to 160,871.88, 222,003.21 and 89,252.42 is: 123,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,871.88 : 222,003.21 = 89,252.42 : x
  2. Step 2: Convert to fraction form
    160,871.88/222,003.21 = 89,252.42/x
  3. Step 3: Cross multiply
    160,871.88x = 222,003.21 × 89,252.42
  4. Step 4: Simplify right side
    160,871.88x = 19,814,323,740.27
  5. Step 5: Solve for x
    x = 19,814,323,740.27/160,871.88
  6. Step 6: Final answer
    x = 123,168.35

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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.