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Finding the Fourth Proportional to 166,993.17, 250,074.45 and 116,838.47

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Solution

The fourth proportional to 166,993.17, 250,074.45 and 116,838.47 is: 174,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,993.17 : 250,074.45 = 116,838.47 : x
  2. Step 2: Convert to fraction form
    166,993.17/250,074.45 = 116,838.47/x
  3. Step 3: Cross multiply
    166,993.17x = 250,074.45 × 116,838.47
  4. Step 4: Simplify right side
    166,993.17x = 29,218,314,873.72
  5. Step 5: Solve for x
    x = 29,218,314,873.72/166,993.17
  6. Step 6: Final answer
    x = 174,967.13

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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.