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Finding the Fourth Proportional to 167,752.90, 231,497.22 and 91,274.32

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Solution

The fourth proportional to 167,752.90, 231,497.22 and 91,274.32 is: 125,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,752.90 : 231,497.22 = 91,274.32 : x
  2. Step 2: Convert to fraction form
    167,752.90/231,497.22 = 91,274.32/x
  3. Step 3: Cross multiply
    167,752.90x = 231,497.22 × 91,274.32
  4. Step 4: Simplify right side
    167,752.90x = 21,129,751,337.39
  5. Step 5: Solve for x
    x = 21,129,751,337.39/167,752.90
  6. Step 6: Final answer
    x = 125,957.59

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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.