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Finding the Fourth Proportional to 274,101.53, 411,180.49 and 103,466.97

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Solution

The fourth proportional to 274,101.53, 411,180.49 and 103,466.97 is: 155,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,101.53 : 411,180.49 = 103,466.97 : x
  2. Step 2: Convert to fraction form
    274,101.53/411,180.49 = 103,466.97/x
  3. Step 3: Cross multiply
    274,101.53x = 411,180.49 × 103,466.97
  4. Step 4: Simplify right side
    274,101.53x = 42,543,599,423.42
  5. Step 5: Solve for x
    x = 42,543,599,423.42/274,101.53
  6. Step 6: Final answer
    x = 155,211.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.