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Finding the Fourth Proportional to 271,470.95, 374,647.63 and 156,754.43

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Solution

The fourth proportional to 271,470.95, 374,647.63 and 156,754.43 is: 216,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,470.95 : 374,647.63 = 156,754.43 : x
  2. Step 2: Convert to fraction form
    271,470.95/374,647.63 = 156,754.43/x
  3. Step 3: Cross multiply
    271,470.95x = 374,647.63 × 156,754.43
  4. Step 4: Simplify right side
    271,470.95x = 58,727,675,691.50
  5. Step 5: Solve for x
    x = 58,727,675,691.50/271,470.95
  6. Step 6: Final answer
    x = 216,331.34

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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.