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Finding the Fourth Proportional to 262,366.52, 393,562.07 and 84,887.42

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Solution

The fourth proportional to 262,366.52, 393,562.07 and 84,887.42 is: 127,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,366.52 : 393,562.07 = 84,887.42 : x
  2. Step 2: Convert to fraction form
    262,366.52/393,562.07 = 84,887.42/x
  3. Step 3: Cross multiply
    262,366.52x = 393,562.07 × 84,887.42
  4. Step 4: Simplify right side
    262,366.52x = 33,408,466,339.91
  5. Step 5: Solve for x
    x = 33,408,466,339.91/262,366.52
  6. Step 6: Final answer
    x = 127,335.10

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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.