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Finding the Fourth Proportional to 275,070.44, 412,611.42 and 88,081.40

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Solution

The fourth proportional to 275,070.44, 412,611.42 and 88,081.40 is: 132,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,070.44 : 412,611.42 = 88,081.40 : x
  2. Step 2: Convert to fraction form
    275,070.44/412,611.42 = 88,081.40/x
  3. Step 3: Cross multiply
    275,070.44x = 412,611.42 × 88,081.40
  4. Step 4: Simplify right side
    275,070.44x = 36,343,391,529.59
  5. Step 5: Solve for x
    x = 36,343,391,529.59/275,070.44
  6. Step 6: Final answer
    x = 132,123.94

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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.