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Finding the Fourth Proportional to 167,924, 231,735.12 and 92,472.32

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Solution

The fourth proportional to 167,924, 231,735.12 and 92,472.32 is: 127,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,924 : 231,735.12 = 92,472.32 : x
  2. Step 2: Convert to fraction form
    167,924/231,735.12 = 92,472.32/x
  3. Step 3: Cross multiply
    167,924x = 231,735.12 × 92,472.32
  4. Step 4: Simplify right side
    167,924x = 21,429,084,171.88
  5. Step 5: Solve for x
    x = 21,429,084,171.88/167,924
  6. Step 6: Final answer
    x = 127,611.80

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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.