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Finding the Fourth Proportional to 172,079.04, 237,471.84 and 96,625.92

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Solution

The fourth proportional to 172,079.04, 237,471.84 and 96,625.92 is: 133,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,079.04 : 237,471.84 = 96,625.92 : x
  2. Step 2: Convert to fraction form
    172,079.04/237,471.84 = 96,625.92/x
  3. Step 3: Cross multiply
    172,079.04x = 237,471.84 × 96,625.92
  4. Step 4: Simplify right side
    172,079.04x = 22,945,935,014.09
  5. Step 5: Solve for x
    x = 22,945,935,014.09/172,079.04
  6. Step 6: Final answer
    x = 133,345.32

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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.