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Finding the Fourth Proportional to 113,794.50, 157,036.30 and 63,493.50

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Solution

The fourth proportional to 113,794.50, 157,036.30 and 63,493.50 is: 87,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,794.50 : 157,036.30 = 63,493.50 : x
  2. Step 2: Convert to fraction form
    113,794.50/157,036.30 = 63,493.50/x
  3. Step 3: Cross multiply
    113,794.50x = 157,036.30 × 63,493.50
  4. Step 4: Simplify right side
    113,794.50x = 9,970,784,314.05
  5. Step 5: Solve for x
    x = 9,970,784,314.05/113,794.50
  6. Step 6: Final answer
    x = 87,620.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.