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Finding the Fourth Proportional to 275,186.52, 412,752.06 and 75,527.01

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Solution

The fourth proportional to 275,186.52, 412,752.06 and 75,527.01 is: 113,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,186.52 : 412,752.06 = 75,527.01 : x
  2. Step 2: Convert to fraction form
    275,186.52/412,752.06 = 75,527.01/x
  3. Step 3: Cross multiply
    275,186.52x = 412,752.06 × 75,527.01
  4. Step 4: Simplify right side
    275,186.52x = 31,173,928,963.14
  5. Step 5: Solve for x
    x = 31,173,928,963.14/275,186.52
  6. Step 6: Final answer
    x = 113,282.91

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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.