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Finding the Fourth Proportional to 262,901.88, 394,347.06 and 73,357.20

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Solution

The fourth proportional to 262,901.88, 394,347.06 and 73,357.20 is: 110,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,901.88 : 394,347.06 = 73,357.20 : x
  2. Step 2: Convert to fraction form
    262,901.88/394,347.06 = 73,357.20/x
  3. Step 3: Cross multiply
    262,901.88x = 394,347.06 × 73,357.20
  4. Step 4: Simplify right side
    262,901.88x = 28,928,196,149.83
  5. Step 5: Solve for x
    x = 28,928,196,149.83/262,901.88
  6. Step 6: Final answer
    x = 110,034.19

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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.