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Finding the Fourth Proportional to 161,334.97, 222,642.45 and 89,713.46

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Solution

The fourth proportional to 161,334.97, 222,642.45 and 89,713.46 is: 123,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,334.97 : 222,642.45 = 89,713.46 : x
  2. Step 2: Convert to fraction form
    161,334.97/222,642.45 = 89,713.46/x
  3. Step 3: Cross multiply
    161,334.97x = 222,642.45 × 89,713.46
  4. Step 4: Simplify right side
    161,334.97x = 19,974,024,532.38
  5. Step 5: Solve for x
    x = 19,974,024,532.38/161,334.97
  6. Step 6: Final answer
    x = 123,804.68

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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.