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Finding the Fourth Proportional to 161,054.64, 222,269.44 and 89,448.64

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Solution

The fourth proportional to 161,054.64, 222,269.44 and 89,448.64 is: 123,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,054.64 : 222,269.44 = 89,448.64 : x
  2. Step 2: Convert to fraction form
    161,054.64/222,269.44 = 89,448.64/x
  3. Step 3: Cross multiply
    161,054.64x = 222,269.44 × 89,448.64
  4. Step 4: Simplify right side
    161,054.64x = 19,881,699,121.56
  5. Step 5: Solve for x
    x = 19,881,699,121.56/161,054.64
  6. Step 6: Final answer
    x = 123,446.92

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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.