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Finding the Fourth Proportional to 231,794.22, 319,854.51 and 131,192.22

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Solution

The fourth proportional to 231,794.22, 319,854.51 and 131,192.22 is: 181,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,794.22 : 319,854.51 = 131,192.22 : x
  2. Step 2: Convert to fraction form
    231,794.22/319,854.51 = 131,192.22/x
  3. Step 3: Cross multiply
    231,794.22x = 319,854.51 × 131,192.22
  4. Step 4: Simplify right side
    231,794.22x = 41,962,423,243.91
  5. Step 5: Solve for x
    x = 41,962,423,243.91/231,794.22
  6. Step 6: Final answer
    x = 181,033.09

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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.