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Finding the Fourth Proportional to 73,169.52, 109,098.53 and 71,840.94

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Solution

The fourth proportional to 73,169.52, 109,098.53 and 71,840.94 is: 107,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,169.52 : 109,098.53 = 71,840.94 : x
  2. Step 2: Convert to fraction form
    73,169.52/109,098.53 = 71,840.94/x
  3. Step 3: Cross multiply
    73,169.52x = 109,098.53 × 71,840.94
  4. Step 4: Simplify right side
    73,169.52x = 7,837,740,588.61
  5. Step 5: Solve for x
    x = 7,837,740,588.61/73,169.52
  6. Step 6: Final answer
    x = 107,117.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.