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Finding the Fourth Proportional to 189,025.70, 283,862.16 and 126,249.26

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Solution

The fourth proportional to 189,025.70, 283,862.16 and 126,249.26 is: 189,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.70 : 283,862.16 = 126,249.26 : x
  2. Step 2: Convert to fraction form
    189,025.70/283,862.16 = 126,249.26/x
  3. Step 3: Cross multiply
    189,025.70x = 283,862.16 × 126,249.26
  4. Step 4: Simplify right side
    189,025.70x = 35,837,387,642.00
  5. Step 5: Solve for x
    x = 35,837,387,642.00/189,025.70
  6. Step 6: Final answer
    x = 189,590.03

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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.