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Finding the Fourth Proportional to 172,497.56, 238,024.09 and 96,019.87

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Solution

The fourth proportional to 172,497.56, 238,024.09 and 96,019.87 is: 132,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,497.56 : 238,024.09 = 96,019.87 : x
  2. Step 2: Convert to fraction form
    172,497.56/238,024.09 = 96,019.87/x
  3. Step 3: Cross multiply
    172,497.56x = 238,024.09 × 96,019.87
  4. Step 4: Simplify right side
    172,497.56x = 22,855,042,178.67
  5. Step 5: Solve for x
    x = 22,855,042,178.67/172,497.56
  6. Step 6: Final answer
    x = 132,494.87

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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.