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Finding the Fourth Proportional to 114,991.62, 172,282.22 and 62,367.54

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Solution

The fourth proportional to 114,991.62, 172,282.22 and 62,367.54 is: 93,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,991.62 : 172,282.22 = 62,367.54 : x
  2. Step 2: Convert to fraction form
    114,991.62/172,282.22 = 62,367.54/x
  3. Step 3: Cross multiply
    114,991.62x = 172,282.22 × 62,367.54
  4. Step 4: Simplify right side
    114,991.62x = 10,744,818,247.14
  5. Step 5: Solve for x
    x = 10,744,818,247.14/114,991.62
  6. Step 6: Final answer
    x = 93,440.01

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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.