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Finding the Fourth Proportional to 293,417.92, 404,916.96 and 166,134.52

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Solution

The fourth proportional to 293,417.92, 404,916.96 and 166,134.52 is: 229,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,417.92 : 404,916.96 = 166,134.52 : x
  2. Step 2: Convert to fraction form
    293,417.92/404,916.96 = 166,134.52/x
  3. Step 3: Cross multiply
    293,417.92x = 404,916.96 × 166,134.52
  4. Step 4: Simplify right side
    293,417.92x = 67,270,684,789.46
  5. Step 5: Solve for x
    x = 67,270,684,789.46/293,417.92
  6. Step 6: Final answer
    x = 229,265.77

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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.