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Finding the Fourth Proportional to 194,387.28, 268,253.28 and 109,531.68

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Solution

The fourth proportional to 194,387.28, 268,253.28 and 109,531.68 is: 151,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,387.28 : 268,253.28 = 109,531.68 : x
  2. Step 2: Convert to fraction form
    194,387.28/268,253.28 = 109,531.68/x
  3. Step 3: Cross multiply
    194,387.28x = 268,253.28 × 109,531.68
  4. Step 4: Simplify right side
    194,387.28x = 29,382,232,423.91
  5. Step 5: Solve for x
    x = 29,382,232,423.91/194,387.28
  6. Step 6: Final answer
    x = 151,153.06

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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.