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Finding the Fourth Proportional to 171,462.34, 236,680.14 and 139,575.88

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Solution

The fourth proportional to 171,462.34, 236,680.14 and 139,575.88 is: 192,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,462.34 : 236,680.14 = 139,575.88 : x
  2. Step 2: Convert to fraction form
    171,462.34/236,680.14 = 139,575.88/x
  3. Step 3: Cross multiply
    171,462.34x = 236,680.14 × 139,575.88
  4. Step 4: Simplify right side
    171,462.34x = 33,034,838,819.02
  5. Step 5: Solve for x
    x = 33,034,838,819.02/171,462.34
  6. Step 6: Final answer
    x = 192,665.27

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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.