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Finding the Fourth Proportional to 67,692.19, 101,538.48 and 23,318.38

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Solution

The fourth proportional to 67,692.19, 101,538.48 and 23,318.38 is: 34,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692.19 : 101,538.48 = 23,318.38 : x
  2. Step 2: Convert to fraction form
    67,692.19/101,538.48 = 23,318.38/x
  3. Step 3: Cross multiply
    67,692.19x = 101,538.48 × 23,318.38
  4. Step 4: Simplify right side
    67,692.19x = 2,367,712,861.26
  5. Step 5: Solve for x
    x = 2,367,712,861.26/67,692.19
  6. Step 6: Final answer
    x = 34,977.64

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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.