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Finding the Fourth Proportional to 176,640.31, 264,896.36 and 96,737.66

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Solution

The fourth proportional to 176,640.31, 264,896.36 and 96,737.66 is: 145,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,640.31 : 264,896.36 = 96,737.66 : x
  2. Step 2: Convert to fraction form
    176,640.31/264,896.36 = 96,737.66/x
  3. Step 3: Cross multiply
    176,640.31x = 264,896.36 × 96,737.66
  4. Step 4: Simplify right side
    176,640.31x = 25,625,453,556.88
  5. Step 5: Solve for x
    x = 25,625,453,556.88/176,640.31
  6. Step 6: Final answer
    x = 145,071.38

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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.