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Finding the Fourth Proportional to 101,555.57, 152,352.09 and 34,080.95

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Solution

The fourth proportional to 101,555.57, 152,352.09 and 34,080.95 is: 51,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,555.57 : 152,352.09 = 34,080.95 : x
  2. Step 2: Convert to fraction form
    101,555.57/152,352.09 = 34,080.95/x
  3. Step 3: Cross multiply
    101,555.57x = 152,352.09 × 34,080.95
  4. Step 4: Simplify right side
    101,555.57x = 5,192,304,342.57
  5. Step 5: Solve for x
    x = 5,192,304,342.57/101,555.57
  6. Step 6: Final answer
    x = 51,127.71

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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.