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Finding the Fourth Proportional to 169,380, 254,087.01 and 44,721

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Solution

The fourth proportional to 169,380, 254,087.01 and 44,721 is: 67,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,380 : 254,087.01 = 44,721 : x
  2. Step 2: Convert to fraction form
    169,380/254,087.01 = 44,721/x
  3. Step 3: Cross multiply
    169,380x = 254,087.01 × 44,721
  4. Step 4: Simplify right side
    169,380x = 11,363,025,174.21
  5. Step 5: Solve for x
    x = 11,363,025,174.21/169,380
  6. Step 6: Final answer
    x = 67,085.99

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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.