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Finding the Fourth Proportional to 122,234.76, 183,314.84 and 84,526.44

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Solution

The fourth proportional to 122,234.76, 183,314.84 and 84,526.44 is: 126,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,234.76 : 183,314.84 = 84,526.44 : x
  2. Step 2: Convert to fraction form
    122,234.76/183,314.84 = 84,526.44/x
  3. Step 3: Cross multiply
    122,234.76x = 183,314.84 × 84,526.44
  4. Step 4: Simplify right side
    122,234.76x = 15,494,950,401.74
  5. Step 5: Solve for x
    x = 15,494,950,401.74/122,234.76
  6. Step 6: Final answer
    x = 126,763.86

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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.