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Finding the Fourth Proportional to 292,881.92, 404,175.36 and 158,743.04

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Solution

The fourth proportional to 292,881.92, 404,175.36 and 158,743.04 is: 219,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,881.92 : 404,175.36 = 158,743.04 : x
  2. Step 2: Convert to fraction form
    292,881.92/404,175.36 = 158,743.04/x
  3. Step 3: Cross multiply
    292,881.92x = 404,175.36 × 158,743.04
  4. Step 4: Simplify right side
    292,881.92x = 64,160,025,339.49
  5. Step 5: Solve for x
    x = 64,160,025,339.49/292,881.92
  6. Step 6: Final answer
    x = 219,064.48

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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.