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Finding the Fourth Proportional to 167,672.88, 231,494.76 and 104,078.16

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Solution

The fourth proportional to 167,672.88, 231,494.76 and 104,078.16 is: 143,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.88 : 231,494.76 = 104,078.16 : x
  2. Step 2: Convert to fraction form
    167,672.88/231,494.76 = 104,078.16/x
  3. Step 3: Cross multiply
    167,672.88x = 231,494.76 × 104,078.16
  4. Step 4: Simplify right side
    167,672.88x = 24,093,548,670.44
  5. Step 5: Solve for x
    x = 24,093,548,670.44/167,672.88
  6. Step 6: Final answer
    x = 143,693.77

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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.