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Finding the Fourth Proportional to 248,792.73, 343,062.66 and 168,080.13

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Solution

The fourth proportional to 248,792.73, 343,062.66 and 168,080.13 is: 231,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.73 : 343,062.66 = 168,080.13 : x
  2. Step 2: Convert to fraction form
    248,792.73/343,062.66 = 168,080.13/x
  3. Step 3: Cross multiply
    248,792.73x = 343,062.66 × 168,080.13
  4. Step 4: Simplify right side
    248,792.73x = 57,662,016,490.95
  5. Step 5: Solve for x
    x = 57,662,016,490.95/248,792.73
  6. Step 6: Final answer
    x = 231,767.29

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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.