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Finding the Fourth Proportional to 146,608.08, 219,764.16 and 57,812.64

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Solution

The fourth proportional to 146,608.08, 219,764.16 and 57,812.64 is: 86,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,608.08 : 219,764.16 = 57,812.64 : x
  2. Step 2: Convert to fraction form
    146,608.08/219,764.16 = 57,812.64/x
  3. Step 3: Cross multiply
    146,608.08x = 219,764.16 × 57,812.64
  4. Step 4: Simplify right side
    146,608.08x = 12,705,146,266.98
  5. Step 5: Solve for x
    x = 12,705,146,266.98/146,608.08
  6. Step 6: Final answer
    x = 86,660.61

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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.