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Finding the Fourth Proportional to 172,924.88, 238,636.33 and 93,436.88

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Solution

The fourth proportional to 172,924.88, 238,636.33 and 93,436.88 is: 128,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.88 : 238,636.33 = 93,436.88 : x
  2. Step 2: Convert to fraction form
    172,924.88/238,636.33 = 93,436.88/x
  3. Step 3: Cross multiply
    172,924.88x = 238,636.33 × 93,436.88
  4. Step 4: Simplify right side
    172,924.88x = 22,297,432,703.08
  5. Step 5: Solve for x
    x = 22,297,432,703.08/172,924.88
  6. Step 6: Final answer
    x = 128,942.89

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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.