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Finding the Fourth Proportional to 73,337.97, 109,975.96 and 31,216.35

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Solution

The fourth proportional to 73,337.97, 109,975.96 and 31,216.35 is: 46,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,337.97 : 109,975.96 = 31,216.35 : x
  2. Step 2: Convert to fraction form
    73,337.97/109,975.96 = 31,216.35/x
  3. Step 3: Cross multiply
    73,337.97x = 109,975.96 × 31,216.35
  4. Step 4: Simplify right side
    73,337.97x = 3,433,048,058.95
  5. Step 5: Solve for x
    x = 3,433,048,058.95/73,337.97
  6. Step 6: Final answer
    x = 46,811.33

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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.