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Finding the Fourth Proportional to 209,027.04, 313,474.32 and 68,753.04

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Solution

The fourth proportional to 209,027.04, 313,474.32 and 68,753.04 is: 103,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,027.04 : 313,474.32 = 68,753.04 : x
  2. Step 2: Convert to fraction form
    209,027.04/313,474.32 = 68,753.04/x
  3. Step 3: Cross multiply
    209,027.04x = 313,474.32 × 68,753.04
  4. Step 4: Simplify right side
    209,027.04x = 21,552,312,461.93
  5. Step 5: Solve for x
    x = 21,552,312,461.93/209,027.04
  6. Step 6: Final answer
    x = 103,107.77

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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.