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Finding the Fourth Proportional to 292,772.52, 404,026.92 and 158,636.52

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Solution

The fourth proportional to 292,772.52, 404,026.92 and 158,636.52 is: 218,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,772.52 : 404,026.92 = 158,636.52 : x
  2. Step 2: Convert to fraction form
    292,772.52/404,026.92 = 158,636.52/x
  3. Step 3: Cross multiply
    292,772.52x = 404,026.92 × 158,636.52
  4. Step 4: Simplify right side
    292,772.52x = 64,093,424,575.12
  5. Step 5: Solve for x
    x = 64,093,424,575.12/292,772.52
  6. Step 6: Final answer
    x = 218,918.85

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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.