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Finding the Fourth Proportional to 208,452.10, 313,096.38 and 124,376.44

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Solution

The fourth proportional to 208,452.10, 313,096.38 and 124,376.44 is: 186,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,452.10 : 313,096.38 = 124,376.44 : x
  2. Step 2: Convert to fraction form
    208,452.10/313,096.38 = 124,376.44/x
  3. Step 3: Cross multiply
    208,452.10x = 313,096.38 × 124,376.44
  4. Step 4: Simplify right side
    208,452.10x = 38,941,813,121.29
  5. Step 5: Solve for x
    x = 38,941,813,121.29/208,452.10
  6. Step 6: Final answer
    x = 186,814.20

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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.