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Finding the Fourth Proportional to 67,317.93, 100,977.03 and 25,196.31

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Solution

The fourth proportional to 67,317.93, 100,977.03 and 25,196.31 is: 37,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,317.93 : 100,977.03 = 25,196.31 : x
  2. Step 2: Convert to fraction form
    67,317.93/100,977.03 = 25,196.31/x
  3. Step 3: Cross multiply
    67,317.93x = 100,977.03 × 25,196.31
  4. Step 4: Simplify right side
    67,317.93x = 2,544,248,550.76
  5. Step 5: Solve for x
    x = 2,544,248,550.76/67,317.93
  6. Step 6: Final answer
    x = 37,794.52

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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.