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Finding the Fourth Proportional to 146,716.80, 220,010.40 and 57,940.80

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Solution

The fourth proportional to 146,716.80, 220,010.40 and 57,940.80 is: 86,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,716.80 : 220,010.40 = 57,940.80 : x
  2. Step 2: Convert to fraction form
    146,716.80/220,010.40 = 57,940.80/x
  3. Step 3: Cross multiply
    146,716.80x = 220,010.40 × 57,940.80
  4. Step 4: Simplify right side
    146,716.80x = 12,747,578,584.32
  5. Step 5: Solve for x
    x = 12,747,578,584.32/146,716.80
  6. Step 6: Final answer
    x = 86,885.61

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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.