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Finding the Fourth Proportional to 292,930.66, 404,238.96 and 165,606.29

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Solution

The fourth proportional to 292,930.66, 404,238.96 and 165,606.29 is: 228,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,930.66 : 404,238.96 = 165,606.29 : x
  2. Step 2: Convert to fraction form
    292,930.66/404,238.96 = 165,606.29/x
  3. Step 3: Cross multiply
    292,930.66x = 404,238.96 × 165,606.29
  4. Step 4: Simplify right side
    292,930.66x = 66,944,512,417.86
  5. Step 5: Solve for x
    x = 66,944,512,417.86/292,930.66
  6. Step 6: Final answer
    x = 228,533.65

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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.