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Finding the Fourth Proportional to 67,455.81, 101,166.08 and 20,058.14

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Solution

The fourth proportional to 67,455.81, 101,166.08 and 20,058.14 is: 30,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.81 : 101,166.08 = 20,058.14 : x
  2. Step 2: Convert to fraction form
    67,455.81/101,166.08 = 20,058.14/x
  3. Step 3: Cross multiply
    67,455.81x = 101,166.08 × 20,058.14
  4. Step 4: Simplify right side
    67,455.81x = 2,029,203,548.52
  5. Step 5: Solve for x
    x = 2,029,203,548.52/67,455.81
  6. Step 6: Final answer
    x = 30,081.97

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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.