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Finding the Fourth Proportional to 146,363.55, 201,979.07 and 82,699.98

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Solution

The fourth proportional to 146,363.55, 201,979.07 and 82,699.98 is: 114,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,363.55 : 201,979.07 = 82,699.98 : x
  2. Step 2: Convert to fraction form
    146,363.55/201,979.07 = 82,699.98/x
  3. Step 3: Cross multiply
    146,363.55x = 201,979.07 × 82,699.98
  4. Step 4: Simplify right side
    146,363.55x = 16,703,665,324.75
  5. Step 5: Solve for x
    x = 16,703,665,324.75/146,363.55
  6. Step 6: Final answer
    x = 114,124.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.