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Finding the Fourth Proportional to 271,904.52, 375,272.82 and 157,186.92

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Solution

The fourth proportional to 271,904.52, 375,272.82 and 157,186.92 is: 216,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,904.52 : 375,272.82 = 157,186.92 : x
  2. Step 2: Convert to fraction form
    271,904.52/375,272.82 = 157,186.92/x
  3. Step 3: Cross multiply
    271,904.52x = 375,272.82 × 157,186.92
  4. Step 4: Simplify right side
    271,904.52x = 58,987,978,735.51
  5. Step 5: Solve for x
    x = 58,987,978,735.51/271,904.52
  6. Step 6: Final answer
    x = 216,943.72

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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.