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Finding the Fourth Proportional to 146,333.79, 201,940.29 and 79,265.79

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Solution

The fourth proportional to 146,333.79, 201,940.29 and 79,265.79 is: 109,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,333.79 : 201,940.29 = 79,265.79 : x
  2. Step 2: Convert to fraction form
    146,333.79/201,940.29 = 79,265.79/x
  3. Step 3: Cross multiply
    146,333.79x = 201,940.29 × 79,265.79
  4. Step 4: Simplify right side
    146,333.79x = 16,006,956,619.68
  5. Step 5: Solve for x
    x = 16,006,956,619.68/146,333.79
  6. Step 6: Final answer
    x = 109,386.61

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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.