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Finding the Fourth Proportional to 160,900.01, 222,042 and 89,291.55

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Solution

The fourth proportional to 160,900.01, 222,042 and 89,291.55 is: 123,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,900.01 : 222,042 = 89,291.55 : x
  2. Step 2: Convert to fraction form
    160,900.01/222,042 = 89,291.55/x
  3. Step 3: Cross multiply
    160,900.01x = 222,042 × 89,291.55
  4. Step 4: Simplify right side
    160,900.01x = 19,826,474,345.10
  5. Step 5: Solve for x
    x = 19,826,474,345.10/160,900.01
  6. Step 6: Final answer
    x = 123,222.33

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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.