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Finding the Fourth Proportional to 167,551.52, 231,005.52 and 137,225.12

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Solution

The fourth proportional to 167,551.52, 231,005.52 and 137,225.12 is: 189,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,551.52 : 231,005.52 = 137,225.12 : x
  2. Step 2: Convert to fraction form
    167,551.52/231,005.52 = 137,225.12/x
  3. Step 3: Cross multiply
    167,551.52x = 231,005.52 × 137,225.12
  4. Step 4: Simplify right side
    167,551.52x = 31,699,760,202.66
  5. Step 5: Solve for x
    x = 31,699,760,202.66/167,551.52
  6. Step 6: Final answer
    x = 189,194.11

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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.