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Finding the Fourth Proportional to 78,338.04, 117,507.08 and 22,934.04

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Solution

The fourth proportional to 78,338.04, 117,507.08 and 22,934.04 is: 34,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,338.04 : 117,507.08 = 22,934.04 : x
  2. Step 2: Convert to fraction form
    78,338.04/117,507.08 = 22,934.04/x
  3. Step 3: Cross multiply
    78,338.04x = 117,507.08 × 22,934.04
  4. Step 4: Simplify right side
    78,338.04x = 2,694,912,073.00
  5. Step 5: Solve for x
    x = 2,694,912,073.00/78,338.04
  6. Step 6: Final answer
    x = 34,401.07

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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.