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Finding the Fourth Proportional to 89,740.96, 134,525.72 and 33,565.84

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Solution

The fourth proportional to 89,740.96, 134,525.72 and 33,565.84 is: 50,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,740.96 : 134,525.72 = 33,565.84 : x
  2. Step 2: Convert to fraction form
    89,740.96/134,525.72 = 33,565.84/x
  3. Step 3: Cross multiply
    89,740.96x = 134,525.72 × 33,565.84
  4. Step 4: Simplify right side
    89,740.96x = 4,515,468,793.40
  5. Step 5: Solve for x
    x = 4,515,468,793.40/89,740.96
  6. Step 6: Final answer
    x = 50,316.70

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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.