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Finding the Fourth Proportional to 68,692.43, 103,045.64 and 23,707.93

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Solution

The fourth proportional to 68,692.43, 103,045.64 and 23,707.93 is: 35,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692.43 : 103,045.64 = 23,707.93 : x
  2. Step 2: Convert to fraction form
    68,692.43/103,045.64 = 23,707.93/x
  3. Step 3: Cross multiply
    68,692.43x = 103,045.64 × 23,707.93
  4. Step 4: Simplify right side
    68,692.43x = 2,442,998,819.93
  5. Step 5: Solve for x
    x = 2,442,998,819.93/68,692.43
  6. Step 6: Final answer
    x = 35,564.31

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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.