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Finding the Fourth Proportional to 146,830.07, 220,245.10 and 63,724.07

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Solution

The fourth proportional to 146,830.07, 220,245.10 and 63,724.07 is: 95,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,830.07 : 220,245.10 = 63,724.07 : x
  2. Step 2: Convert to fraction form
    146,830.07/220,245.10 = 63,724.07/x
  3. Step 3: Cross multiply
    146,830.07x = 220,245.10 × 63,724.07
  4. Step 4: Simplify right side
    146,830.07x = 14,034,914,169.56
  5. Step 5: Solve for x
    x = 14,034,914,169.56/146,830.07
  6. Step 6: Final answer
    x = 95,586.10

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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.