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Finding the Fourth Proportional to 85,333.52, 127,927.97 and 35,382.44

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Solution

The fourth proportional to 85,333.52, 127,927.97 and 35,382.44 is: 53,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,333.52 : 127,927.97 = 35,382.44 : x
  2. Step 2: Convert to fraction form
    85,333.52/127,927.97 = 35,382.44/x
  3. Step 3: Cross multiply
    85,333.52x = 127,927.97 × 35,382.44
  4. Step 4: Simplify right side
    85,333.52x = 4,526,403,083.21
  5. Step 5: Solve for x
    x = 4,526,403,083.21/85,333.52
  6. Step 6: Final answer
    x = 53,043.67

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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.