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Finding the Fourth Proportional to 271,973.93, 375,216.54 and 157,231.46

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Solution

The fourth proportional to 271,973.93, 375,216.54 and 157,231.46 is: 216,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,973.93 : 375,216.54 = 157,231.46 : x
  2. Step 2: Convert to fraction form
    271,973.93/375,216.54 = 157,231.46/x
  3. Step 3: Cross multiply
    271,973.93x = 375,216.54 × 157,231.46
  4. Step 4: Simplify right side
    271,973.93x = 58,995,842,524.27
  5. Step 5: Solve for x
    x = 58,995,842,524.27/271,973.93
  6. Step 6: Final answer
    x = 216,917.27

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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.