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Finding the Fourth Proportional to 292,792.91, 404,009.52 and 165,422.03

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Solution

The fourth proportional to 292,792.91, 404,009.52 and 165,422.03 is: 228,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,792.91 : 404,009.52 = 165,422.03 : x
  2. Step 2: Convert to fraction form
    292,792.91/404,009.52 = 165,422.03/x
  3. Step 3: Cross multiply
    292,792.91x = 404,009.52 × 165,422.03
  4. Step 4: Simplify right side
    292,792.91x = 66,832,072,917.68
  5. Step 5: Solve for x
    x = 66,832,072,917.68/292,792.91
  6. Step 6: Final answer
    x = 228,257.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.