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Finding the Fourth Proportional to 92,653.71, 138,972.33 and 25,183.32

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Solution

The fourth proportional to 92,653.71, 138,972.33 and 25,183.32 is: 37,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,653.71 : 138,972.33 = 25,183.32 : x
  2. Step 2: Convert to fraction form
    92,653.71/138,972.33 = 25,183.32/x
  3. Step 3: Cross multiply
    92,653.71x = 138,972.33 × 25,183.32
  4. Step 4: Simplify right side
    92,653.71x = 3,499,784,657.54
  5. Step 5: Solve for x
    x = 3,499,784,657.54/92,653.71
  6. Step 6: Final answer
    x = 37,772.74

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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.