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Finding the Fourth Proportional to 161,296.97, 222,577.16 and 89,672.63

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Solution

The fourth proportional to 161,296.97, 222,577.16 and 89,672.63 is: 123,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,296.97 : 222,577.16 = 89,672.63 : x
  2. Step 2: Convert to fraction form
    161,296.97/222,577.16 = 89,672.63/x
  3. Step 3: Cross multiply
    161,296.97x = 222,577.16 × 89,672.63
  4. Step 4: Simplify right side
    161,296.97x = 19,959,078,866.77
  5. Step 5: Solve for x
    x = 19,959,078,866.77/161,296.97
  6. Step 6: Final answer
    x = 123,741.19

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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.