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Finding the Fourth Proportional to 189,385.87, 283,879.08 and 62,992.36

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Solution

The fourth proportional to 189,385.87, 283,879.08 and 62,992.36 is: 94,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385.87 : 283,879.08 = 62,992.36 : x
  2. Step 2: Convert to fraction form
    189,385.87/283,879.08 = 62,992.36/x
  3. Step 3: Cross multiply
    189,385.87x = 283,879.08 × 62,992.36
  4. Step 4: Simplify right side
    189,385.87x = 17,882,213,203.83
  5. Step 5: Solve for x
    x = 17,882,213,203.83/189,385.87
  6. Step 6: Final answer
    x = 94,422.11

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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.