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Finding the Fourth Proportional to 67,968,662.40, 101,915,197.92 and 22,505,656.32

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Solution

The fourth proportional to 67,968,662.40, 101,915,197.92 and 22,505,656.32 is: 33,745,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968,662.40 : 101,915,197.92 = 22,505,656.32 : x
  2. Step 2: Convert to fraction form
    67,968,662.40/101,915,197.92 = 22,505,656.32/x
  3. Step 3: Cross multiply
    67,968,662.40x = 101,915,197.92 × 22,505,656.32
  4. Step 4: Simplify right side
    67,968,662.40x = 2,293,668,418,172,299
  5. Step 5: Solve for x
    x = 2,293,668,418,172,299/67,968,662.40
  6. Step 6: Final answer
    x = 33,745,969.65

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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.