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Finding the Fourth Proportional to 172,894.56, 238,595.53 and 96,418.49

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Solution

The fourth proportional to 172,894.56, 238,595.53 and 96,418.49 is: 133,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,894.56 : 238,595.53 = 96,418.49 : x
  2. Step 2: Convert to fraction form
    172,894.56/238,595.53 = 96,418.49/x
  3. Step 3: Cross multiply
    172,894.56x = 238,595.53 × 96,418.49
  4. Step 4: Simplify right side
    172,894.56x = 23,005,020,723.35
  5. Step 5: Solve for x
    x = 23,005,020,723.35/172,894.56
  6. Step 6: Final answer
    x = 133,058.09

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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.