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Finding the Fourth Proportional to 167,455.62, 230,930.10 and 109,993.86

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Solution

The fourth proportional to 167,455.62, 230,930.10 and 109,993.86 is: 151,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,455.62 : 230,930.10 = 109,993.86 : x
  2. Step 2: Convert to fraction form
    167,455.62/230,930.10 = 109,993.86/x
  3. Step 3: Cross multiply
    167,455.62x = 230,930.10 × 109,993.86
  4. Step 4: Simplify right side
    167,455.62x = 25,400,893,089.19
  5. Step 5: Solve for x
    x = 25,400,893,089.19/167,455.62
  6. Step 6: Final answer
    x = 151,687.31

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1.5x scale

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.