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Finding the Fourth Proportional to 65,294.38, 90,133.84 and 44,102.36

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Solution

The fourth proportional to 65,294.38, 90,133.84 and 44,102.36 is: 60,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,294.38 : 90,133.84 = 44,102.36 : x
  2. Step 2: Convert to fraction form
    65,294.38/90,133.84 = 44,102.36/x
  3. Step 3: Cross multiply
    65,294.38x = 90,133.84 × 44,102.36
  4. Step 4: Simplify right side
    65,294.38x = 3,975,115,059.86
  5. Step 5: Solve for x
    x = 3,975,115,059.86/65,294.38
  6. Step 6: Final answer
    x = 60,879.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.