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Finding the Fourth Proportional to 274,755.63, 379,166.63 and 160,031.28

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Solution

The fourth proportional to 274,755.63, 379,166.63 and 160,031.28 is: 220,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,755.63 : 379,166.63 = 160,031.28 : x
  2. Step 2: Convert to fraction form
    274,755.63/379,166.63 = 160,031.28/x
  3. Step 3: Cross multiply
    274,755.63x = 379,166.63 × 160,031.28
  4. Step 4: Simplify right side
    274,755.63x = 60,678,521,132.19
  5. Step 5: Solve for x
    x = 60,678,521,132.19/274,755.63
  6. Step 6: Final answer
    x = 220,845.42

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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.