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Finding the Fourth Proportional to 292,857.88, 404,144.22 and 158,721.88

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Solution

The fourth proportional to 292,857.88, 404,144.22 and 158,721.88 is: 219,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,857.88 : 404,144.22 = 158,721.88 : x
  2. Step 2: Convert to fraction form
    292,857.88/404,144.22 = 158,721.88/x
  3. Step 3: Cross multiply
    292,857.88x = 404,144.22 × 158,721.88
  4. Step 4: Simplify right side
    292,857.88x = 64,146,530,389.53
  5. Step 5: Solve for x
    x = 64,146,530,389.53/292,857.88
  6. Step 6: Final answer
    x = 219,036.38

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1.5x scale

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.