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Finding the Fourth Proportional to 241,706.78, 362,560.30 and 91,912.50

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Solution

The fourth proportional to 241,706.78, 362,560.30 and 91,912.50 is: 137,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,706.78 : 362,560.30 = 91,912.50 : x
  2. Step 2: Convert to fraction form
    241,706.78/362,560.30 = 91,912.50/x
  3. Step 3: Cross multiply
    241,706.78x = 362,560.30 × 91,912.50
  4. Step 4: Simplify right side
    241,706.78x = 33,323,823,573.75
  5. Step 5: Solve for x
    x = 33,323,823,573.75/241,706.78
  6. Step 6: Final answer
    x = 137,868.80

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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.