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Finding the Fourth Proportional to 271,643.92, 374,871.88 and 150,787.60

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Solution

The fourth proportional to 271,643.92, 374,871.88 and 150,787.60 is: 208,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,643.92 : 374,871.88 = 150,787.60 : x
  2. Step 2: Convert to fraction form
    271,643.92/374,871.88 = 150,787.60/x
  3. Step 3: Cross multiply
    271,643.92x = 374,871.88 × 150,787.60
  4. Step 4: Simplify right side
    271,643.92x = 56,526,031,092.69
  5. Step 5: Solve for x
    x = 56,526,031,092.69/271,643.92
  6. Step 6: Final answer
    x = 208,088.70

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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.