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Finding the Fourth Proportional to 167,482.58, 231,126.90 and 91,002.28

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Solution

The fourth proportional to 167,482.58, 231,126.90 and 91,002.28 is: 125,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,482.58 : 231,126.90 = 91,002.28 : x
  2. Step 2: Convert to fraction form
    167,482.58/231,126.90 = 91,002.28/x
  3. Step 3: Cross multiply
    167,482.58x = 231,126.90 × 91,002.28
  4. Step 4: Simplify right side
    167,482.58x = 21,033,074,869.33
  5. Step 5: Solve for x
    x = 21,033,074,869.33/167,482.58
  6. Step 6: Final answer
    x = 125,583.66

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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.