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Finding the Fourth Proportional to 69,162.40, 103,743.60 and 62,601.40

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Solution

The fourth proportional to 69,162.40, 103,743.60 and 62,601.40 is: 93,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.40 : 103,743.60 = 62,601.40 : x
  2. Step 2: Convert to fraction form
    69,162.40/103,743.60 = 62,601.40/x
  3. Step 3: Cross multiply
    69,162.40x = 103,743.60 × 62,601.40
  4. Step 4: Simplify right side
    69,162.40x = 6,494,494,601.04
  5. Step 5: Solve for x
    x = 6,494,494,601.04/69,162.40
  6. Step 6: Final answer
    x = 93,902.10

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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.