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Finding the Fourth Proportional to 161,560.32, 222,960.60 and 89,944.89

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Solution

The fourth proportional to 161,560.32, 222,960.60 and 89,944.89 is: 124,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,560.32 : 222,960.60 = 89,944.89 : x
  2. Step 2: Convert to fraction form
    161,560.32/222,960.60 = 89,944.89/x
  3. Step 3: Cross multiply
    161,560.32x = 222,960.60 × 89,944.89
  4. Step 4: Simplify right side
    161,560.32x = 20,054,166,641.33
  5. Step 5: Solve for x
    x = 20,054,166,641.33/161,560.32
  6. Step 6: Final answer
    x = 124,128.04

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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.