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Finding the Fourth Proportional to 101,336.88, 152,036.08 and 53,943.90

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Solution

The fourth proportional to 101,336.88, 152,036.08 and 53,943.90 is: 80,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,336.88 : 152,036.08 = 53,943.90 : x
  2. Step 2: Convert to fraction form
    101,336.88/152,036.08 = 53,943.90/x
  3. Step 3: Cross multiply
    101,336.88x = 152,036.08 × 53,943.90
  4. Step 4: Simplify right side
    101,336.88x = 8,201,419,095.91
  5. Step 5: Solve for x
    x = 8,201,419,095.91/101,336.88
  6. Step 6: Final answer
    x = 80,932.22

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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.