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Finding the Fourth Proportional to 172,524.78, 258,696.45 and 101,469.15

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Solution

The fourth proportional to 172,524.78, 258,696.45 and 101,469.15 is: 152,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,524.78 : 258,696.45 = 101,469.15 : x
  2. Step 2: Convert to fraction form
    172,524.78/258,696.45 = 101,469.15/x
  3. Step 3: Cross multiply
    172,524.78x = 258,696.45 × 101,469.15
  4. Step 4: Simplify right side
    172,524.78x = 26,249,708,889.52
  5. Step 5: Solve for x
    x = 26,249,708,889.52/172,524.78
  6. Step 6: Final answer
    x = 152,150.37

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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.