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Finding the Fourth Proportional to 133,247.72, 199,736.75 and 57,395.70

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Solution

The fourth proportional to 133,247.72, 199,736.75 and 57,395.70 is: 86,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,247.72 : 199,736.75 = 57,395.70 : x
  2. Step 2: Convert to fraction form
    133,247.72/199,736.75 = 57,395.70/x
  3. Step 3: Cross multiply
    133,247.72x = 199,736.75 × 57,395.70
  4. Step 4: Simplify right side
    133,247.72x = 11,464,030,295.00
  5. Step 5: Solve for x
    x = 11,464,030,295.00/133,247.72
  6. Step 6: Final answer
    x = 86,035.47

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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.