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Finding the Fourth Proportional to 92,842.56, 139,250.48 and 29,669.88

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Solution

The fourth proportional to 92,842.56, 139,250.48 and 29,669.88 is: 44,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,842.56 : 139,250.48 = 29,669.88 : x
  2. Step 2: Convert to fraction form
    92,842.56/139,250.48 = 29,669.88/x
  3. Step 3: Cross multiply
    92,842.56x = 139,250.48 × 29,669.88
  4. Step 4: Simplify right side
    92,842.56x = 4,131,545,031.54
  5. Step 5: Solve for x
    x = 4,131,545,031.54/92,842.56
  6. Step 6: Final answer
    x = 44,500.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.