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Finding the Fourth Proportional to 189,262.56, 283,874.40 and 62,911.20

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Solution

The fourth proportional to 189,262.56, 283,874.40 and 62,911.20 is: 94,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,262.56 : 283,874.40 = 62,911.20 : x
  2. Step 2: Convert to fraction form
    189,262.56/283,874.40 = 62,911.20/x
  3. Step 3: Cross multiply
    189,262.56x = 283,874.40 × 62,911.20
  4. Step 4: Simplify right side
    189,262.56x = 17,858,879,153.28
  5. Step 5: Solve for x
    x = 17,858,879,153.28/189,262.56
  6. Step 6: Final answer
    x = 94,360.34

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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.