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Finding the Fourth Proportional to 274,636.53, 379,043.26 and 164,247.93

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Solution

The fourth proportional to 274,636.53, 379,043.26 and 164,247.93 is: 226,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,636.53 : 379,043.26 = 164,247.93 : x
  2. Step 2: Convert to fraction form
    274,636.53/379,043.26 = 164,247.93/x
  3. Step 3: Cross multiply
    274,636.53x = 379,043.26 × 164,247.93
  4. Step 4: Simplify right side
    274,636.53x = 62,257,070,424.83
  5. Step 5: Solve for x
    x = 62,257,070,424.83/274,636.53
  6. Step 6: Final answer
    x = 226,688.96

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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.