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Finding the Fourth Proportional to 102,396.52, 153,571.74 and 36,732.52

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Solution

The fourth proportional to 102,396.52, 153,571.74 and 36,732.52 is: 55,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,396.52 : 153,571.74 = 36,732.52 : x
  2. Step 2: Convert to fraction form
    102,396.52/153,571.74 = 36,732.52/x
  3. Step 3: Cross multiply
    102,396.52x = 153,571.74 × 36,732.52
  4. Step 4: Simplify right side
    102,396.52x = 5,641,077,010.98
  5. Step 5: Solve for x
    x = 5,641,077,010.98/102,396.52
  6. Step 6: Final answer
    x = 55,090.51

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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.