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Finding the Fourth Proportional to 78,694.92, 118,007.64 and 22,522.23

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Solution

The fourth proportional to 78,694.92, 118,007.64 and 22,522.23 is: 33,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,694.92 : 118,007.64 = 22,522.23 : x
  2. Step 2: Convert to fraction form
    78,694.92/118,007.64 = 22,522.23/x
  3. Step 3: Cross multiply
    78,694.92x = 118,007.64 × 22,522.23
  4. Step 4: Simplify right side
    78,694.92x = 2,657,795,209.84
  5. Step 5: Solve for x
    x = 2,657,795,209.84/78,694.92
  6. Step 6: Final answer
    x = 33,773.40

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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.