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Finding the Fourth Proportional to 189,314.62, 283,910.47 and 62,920.87

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Solution

The fourth proportional to 189,314.62, 283,910.47 and 62,920.87 is: 94,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,314.62 : 283,910.47 = 62,920.87 : x
  2. Step 2: Convert to fraction form
    189,314.62/283,910.47 = 62,920.87/x
  3. Step 3: Cross multiply
    189,314.62x = 283,910.47 × 62,920.87
  4. Step 4: Simplify right side
    189,314.62x = 17,863,892,907.43
  5. Step 5: Solve for x
    x = 17,863,892,907.43/189,314.62
  6. Step 6: Final answer
    x = 94,360.87

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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.