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Finding the Fourth Proportional to 71,335.94, 106,926.68 and 46,393.89

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Solution

The fourth proportional to 71,335.94, 106,926.68 and 46,393.89 is: 69,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,335.94 : 106,926.68 = 46,393.89 : x
  2. Step 2: Convert to fraction form
    71,335.94/106,926.68 = 46,393.89/x
  3. Step 3: Cross multiply
    71,335.94x = 106,926.68 × 46,393.89
  4. Step 4: Simplify right side
    71,335.94x = 4,960,744,645.73
  5. Step 5: Solve for x
    x = 4,960,744,645.73/71,335.94
  6. Step 6: Final answer
    x = 69,540.61

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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.