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Finding the Fourth Proportional to 130,706.88, 196,060.32 and 60,576.96

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Solution

The fourth proportional to 130,706.88, 196,060.32 and 60,576.96 is: 90,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,706.88 : 196,060.32 = 60,576.96 : x
  2. Step 2: Convert to fraction form
    130,706.88/196,060.32 = 60,576.96/x
  3. Step 3: Cross multiply
    130,706.88x = 196,060.32 × 60,576.96
  4. Step 4: Simplify right side
    130,706.88x = 11,876,738,162.23
  5. Step 5: Solve for x
    x = 11,876,738,162.23/130,706.88
  6. Step 6: Final answer
    x = 90,865.44

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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.