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Finding the Fourth Proportional to 67,885.73, 101,795.70 and 39,814.97

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Solution

The fourth proportional to 67,885.73, 101,795.70 and 39,814.97 is: 59,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,885.73 : 101,795.70 = 39,814.97 : x
  2. Step 2: Convert to fraction form
    67,885.73/101,795.70 = 39,814.97/x
  3. Step 3: Cross multiply
    67,885.73x = 101,795.70 × 39,814.97
  4. Step 4: Simplify right side
    67,885.73x = 4,052,992,741.63
  5. Step 5: Solve for x
    x = 4,052,992,741.63/67,885.73
  6. Step 6: Final answer
    x = 59,703.17

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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.