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Finding the Fourth Proportional to 271,963.40, 375,256.50 and 158,790.92

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Solution

The fourth proportional to 271,963.40, 375,256.50 and 158,790.92 is: 219,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,963.40 : 375,256.50 = 158,790.92 : x
  2. Step 2: Convert to fraction form
    271,963.40/375,256.50 = 158,790.92/x
  3. Step 3: Cross multiply
    271,963.40x = 375,256.50 × 158,790.92
  4. Step 4: Simplify right side
    271,963.40x = 59,587,324,870.98
  5. Step 5: Solve for x
    x = 59,587,324,870.98/271,963.40
  6. Step 6: Final answer
    x = 219,100.53

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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.