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Finding the Fourth Proportional to 172,803.92, 238,472.06 and 96,320.89

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Solution

The fourth proportional to 172,803.92, 238,472.06 and 96,320.89 is: 132,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,803.92 : 238,472.06 = 96,320.89 : x
  2. Step 2: Convert to fraction form
    172,803.92/238,472.06 = 96,320.89/x
  3. Step 3: Cross multiply
    172,803.92x = 238,472.06 × 96,320.89
  4. Step 4: Simplify right side
    172,803.92x = 22,969,839,981.55
  5. Step 5: Solve for x
    x = 22,969,839,981.55/172,803.92
  6. Step 6: Final answer
    x = 132,924.30

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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.