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Finding the Fourth Proportional to 241,898.88, 362,856.42 and 84,128.70

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Solution

The fourth proportional to 241,898.88, 362,856.42 and 84,128.70 is: 126,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,898.88 : 362,856.42 = 84,128.70 : x
  2. Step 2: Convert to fraction form
    241,898.88/362,856.42 = 84,128.70/x
  3. Step 3: Cross multiply
    241,898.88x = 362,856.42 × 84,128.70
  4. Step 4: Simplify right side
    241,898.88x = 30,526,638,901.25
  5. Step 5: Solve for x
    x = 30,526,638,901.25/241,898.88
  6. Step 6: Final answer
    x = 126,195.87

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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.