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Finding the Fourth Proportional to 293,179.61, 404,588.63 and 159,043.61

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Solution

The fourth proportional to 293,179.61, 404,588.63 and 159,043.61 is: 219,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,179.61 : 404,588.63 = 159,043.61 : x
  2. Step 2: Convert to fraction form
    293,179.61/404,588.63 = 159,043.61/x
  3. Step 3: Cross multiply
    293,179.61x = 404,588.63 × 159,043.61
  4. Step 4: Simplify right side
    293,179.61x = 64,347,236,280.15
  5. Step 5: Solve for x
    x = 64,347,236,280.15/293,179.61
  6. Step 6: Final answer
    x = 219,480.60

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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.