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Finding the Fourth Proportional to 70,013.96, 96,564.66 and 44,865.80

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Solution

The fourth proportional to 70,013.96, 96,564.66 and 44,865.80 is: 61,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,013.96 : 96,564.66 = 44,865.80 : x
  2. Step 2: Convert to fraction form
    70,013.96/96,564.66 = 44,865.80/x
  3. Step 3: Cross multiply
    70,013.96x = 96,564.66 × 44,865.80
  4. Step 4: Simplify right side
    70,013.96x = 4,332,450,722.63
  5. Step 5: Solve for x
    x = 4,332,450,722.63/70,013.96
  6. Step 6: Final answer
    x = 61,879.81

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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.