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Finding the Fourth Proportional to 146,029.71, 218,960.71 and 57,179.19

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Solution

The fourth proportional to 146,029.71, 218,960.71 and 57,179.19 is: 85,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,029.71 : 218,960.71 = 57,179.19 : x
  2. Step 2: Convert to fraction form
    146,029.71/218,960.71 = 57,179.19/x
  3. Step 3: Cross multiply
    146,029.71x = 218,960.71 × 57,179.19
  4. Step 4: Simplify right side
    146,029.71x = 12,519,996,039.62
  5. Step 5: Solve for x
    x = 12,519,996,039.62/146,029.71
  6. Step 6: Final answer
    x = 85,735.95

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1.5x scale

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.