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Finding the Fourth Proportional to 172,967.92, 238,674.52 and 101,331.52

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Solution

The fourth proportional to 172,967.92, 238,674.52 and 101,331.52 is: 139,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,967.92 : 238,674.52 = 101,331.52 : x
  2. Step 2: Convert to fraction form
    172,967.92/238,674.52 = 101,331.52/x
  3. Step 3: Cross multiply
    172,967.92x = 238,674.52 × 101,331.52
  4. Step 4: Simplify right side
    172,967.92x = 24,185,251,896.87
  5. Step 5: Solve for x
    x = 24,185,251,896.87/172,967.92
  6. Step 6: Final answer
    x = 139,825.07

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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.