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Finding the Fourth Proportional to 85,287.52, 127,932.36 and 22,958.02

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Solution

The fourth proportional to 85,287.52, 127,932.36 and 22,958.02 is: 34,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,287.52 : 127,932.36 = 22,958.02 : x
  2. Step 2: Convert to fraction form
    85,287.52/127,932.36 = 22,958.02/x
  3. Step 3: Cross multiply
    85,287.52x = 127,932.36 × 22,958.02
  4. Step 4: Simplify right side
    85,287.52x = 2,937,073,679.53
  5. Step 5: Solve for x
    x = 2,937,073,679.53/85,287.52
  6. Step 6: Final answer
    x = 34,437.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.