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Finding the Fourth Proportional to 172,796.37, 238,464.05 and 101,169.69

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Solution

The fourth proportional to 172,796.37, 238,464.05 and 101,169.69 is: 139,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,796.37 : 238,464.05 = 101,169.69 : x
  2. Step 2: Convert to fraction form
    172,796.37/238,464.05 = 101,169.69/x
  3. Step 3: Cross multiply
    172,796.37x = 238,464.05 × 101,169.69
  4. Step 4: Simplify right side
    172,796.37x = 24,125,333,508.80
  5. Step 5: Solve for x
    x = 24,125,333,508.80/172,796.37
  6. Step 6: Final answer
    x = 139,617.13

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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.