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Finding the Fourth Proportional to 172,244.87, 237,744.68 and 111,811.98

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Solution

The fourth proportional to 172,244.87, 237,744.68 and 111,811.98 is: 154,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,244.87 : 237,744.68 = 111,811.98 : x
  2. Step 2: Convert to fraction form
    172,244.87/237,744.68 = 111,811.98/x
  3. Step 3: Cross multiply
    172,244.87x = 237,744.68 × 111,811.98
  4. Step 4: Simplify right side
    172,244.87x = 26,582,703,405.27
  5. Step 5: Solve for x
    x = 26,582,703,405.27/172,244.87
  6. Step 6: Final answer
    x = 154,330.89

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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.