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Finding the Fourth Proportional to 271,979.17, 375,174.89 and 169,827.28

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Solution

The fourth proportional to 271,979.17, 375,174.89 and 169,827.28 is: 234,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,979.17 : 375,174.89 = 169,827.28 : x
  2. Step 2: Convert to fraction form
    271,979.17/375,174.89 = 169,827.28/x
  3. Step 3: Cross multiply
    271,979.17x = 375,174.89 × 169,827.28
  4. Step 4: Simplify right side
    271,979.17x = 63,714,932,053.14
  5. Step 5: Solve for x
    x = 63,714,932,053.14/271,979.17
  6. Step 6: Final answer
    x = 234,264.02

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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.