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Finding the Fourth Proportional to 274,601.60, 411,985.56 and 114,755.12

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Solution

The fourth proportional to 274,601.60, 411,985.56 and 114,755.12 is: 172,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,601.60 : 411,985.56 = 114,755.12 : x
  2. Step 2: Convert to fraction form
    274,601.60/411,985.56 = 114,755.12/x
  3. Step 3: Cross multiply
    274,601.60x = 411,985.56 × 114,755.12
  4. Step 4: Simplify right side
    274,601.60x = 47,277,452,376.07
  5. Step 5: Solve for x
    x = 47,277,452,376.07/274,601.60
  6. Step 6: Final answer
    x = 172,167.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.