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Finding the Fourth Proportional to 70,238.54, 96,929.39 and 44,739.45

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Solution

The fourth proportional to 70,238.54, 96,929.39 and 44,739.45 is: 61,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.54 : 96,929.39 = 44,739.45 : x
  2. Step 2: Convert to fraction form
    70,238.54/96,929.39 = 44,739.45/x
  3. Step 3: Cross multiply
    70,238.54x = 96,929.39 × 44,739.45
  4. Step 4: Simplify right side
    70,238.54x = 4,336,567,709.28
  5. Step 5: Solve for x
    x = 4,336,567,709.28/70,238.54
  6. Step 6: Final answer
    x = 61,740.57

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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.