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Finding the Fourth Proportional to 224,617.06, 309,969.19 and 122,642.20

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Solution

The fourth proportional to 224,617.06, 309,969.19 and 122,642.20 is: 169,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,617.06 : 309,969.19 = 122,642.20 : x
  2. Step 2: Convert to fraction form
    224,617.06/309,969.19 = 122,642.20/x
  3. Step 3: Cross multiply
    224,617.06x = 309,969.19 × 122,642.20
  4. Step 4: Simplify right side
    224,617.06x = 38,015,304,249.60
  5. Step 5: Solve for x
    x = 38,015,304,249.60/224,617.06
  6. Step 6: Final answer
    x = 169,244.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.