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Finding the Fourth Proportional to 89,160.78, 133,719.95 and 35,852.89

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Solution

The fourth proportional to 89,160.78, 133,719.95 and 35,852.89 is: 53,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,160.78 : 133,719.95 = 35,852.89 : x
  2. Step 2: Convert to fraction form
    89,160.78/133,719.95 = 35,852.89/x
  3. Step 3: Cross multiply
    89,160.78x = 133,719.95 × 35,852.89
  4. Step 4: Simplify right side
    89,160.78x = 4,794,245,989.56
  5. Step 5: Solve for x
    x = 4,794,245,989.56/89,160.78
  6. Step 6: Final answer
    x = 53,770.79

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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.