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Finding the Fourth Proportional to 269,902.60, 404,410.74 and 92,312.72

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Solution

The fourth proportional to 269,902.60, 404,410.74 and 92,312.72 is: 138,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,902.60 : 404,410.74 = 92,312.72 : x
  2. Step 2: Convert to fraction form
    269,902.60/404,410.74 = 92,312.72/x
  3. Step 3: Cross multiply
    269,902.60x = 404,410.74 × 92,312.72
  4. Step 4: Simplify right side
    269,902.60x = 37,332,255,406.61
  5. Step 5: Solve for x
    x = 37,332,255,406.61/269,902.60
  6. Step 6: Final answer
    x = 138,317.51

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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.