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Finding the Fourth Proportional to 167,358.34, 251,037.60 and 105,072.58

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Solution

The fourth proportional to 167,358.34, 251,037.60 and 105,072.58 is: 157,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,358.34 : 251,037.60 = 105,072.58 : x
  2. Step 2: Convert to fraction form
    167,358.34/251,037.60 = 105,072.58/x
  3. Step 3: Cross multiply
    167,358.34x = 251,037.60 × 105,072.58
  4. Step 4: Simplify right side
    167,358.34x = 26,377,168,309.01
  5. Step 5: Solve for x
    x = 26,377,168,309.01/167,358.34
  6. Step 6: Final answer
    x = 157,608.93

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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.