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Finding the Fourth Proportional to 161,570.13, 222,974.06 and 89,954.64

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Solution

The fourth proportional to 161,570.13, 222,974.06 and 89,954.64 is: 124,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570.13 : 222,974.06 = 89,954.64 : x
  2. Step 2: Convert to fraction form
    161,570.13/222,974.06 = 89,954.64/x
  3. Step 3: Cross multiply
    161,570.13x = 222,974.06 × 89,954.64
  4. Step 4: Simplify right side
    161,570.13x = 20,057,550,846.87
  5. Step 5: Solve for x
    x = 20,057,550,846.87/161,570.13
  6. Step 6: Final answer
    x = 124,141.45

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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.