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Finding the Fourth Proportional to 292,796.52, 404,059.16 and 158,660.52

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Solution

The fourth proportional to 292,796.52, 404,059.16 and 158,660.52 is: 218,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,796.52 : 404,059.16 = 158,660.52 : x
  2. Step 2: Convert to fraction form
    292,796.52/404,059.16 = 158,660.52/x
  3. Step 3: Cross multiply
    292,796.52x = 404,059.16 × 158,660.52
  4. Step 4: Simplify right side
    292,796.52x = 64,108,236,436.36
  5. Step 5: Solve for x
    x = 64,108,236,436.36/292,796.52
  6. Step 6: Final answer
    x = 218,951.50

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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.