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Finding the Fourth Proportional to 241,877.70, 362,816.10 and 84,105.90

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Solution

The fourth proportional to 241,877.70, 362,816.10 and 84,105.90 is: 126,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,877.70 : 362,816.10 = 84,105.90 : x
  2. Step 2: Convert to fraction form
    241,877.70/362,816.10 = 84,105.90/x
  3. Step 3: Cross multiply
    241,877.70x = 362,816.10 × 84,105.90
  4. Step 4: Simplify right side
    241,877.70x = 30,514,974,624.99
  5. Step 5: Solve for x
    x = 30,514,974,624.99/241,877.70
  6. Step 6: Final answer
    x = 126,158.69

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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.