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Finding the Fourth Proportional to 292,949.74, 404,273.82 and 172,096.12

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Solution

The fourth proportional to 292,949.74, 404,273.82 and 172,096.12 is: 237,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,949.74 : 404,273.82 = 172,096.12 : x
  2. Step 2: Convert to fraction form
    292,949.74/404,273.82 = 172,096.12/x
  3. Step 3: Cross multiply
    292,949.74x = 404,273.82 × 172,096.12
  4. Step 4: Simplify right side
    292,949.74x = 69,573,952,957.73
  5. Step 5: Solve for x
    x = 69,573,952,957.73/292,949.74
  6. Step 6: Final answer
    x = 237,494.51

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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.