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Finding the Fourth Proportional to 172,247.88, 237,748.83 and 111,814.99

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Solution

The fourth proportional to 172,247.88, 237,748.83 and 111,814.99 is: 154,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,247.88 : 237,748.83 = 111,814.99 : x
  2. Step 2: Convert to fraction form
    172,247.88/237,748.83 = 111,814.99/x
  3. Step 3: Cross multiply
    172,247.88x = 237,748.83 × 111,814.99
  4. Step 4: Simplify right side
    172,247.88x = 26,583,883,048.96
  5. Step 5: Solve for x
    x = 26,583,883,048.96/172,247.88
  6. Step 6: Final answer
    x = 154,335.04

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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.