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Finding the Fourth Proportional to 70,281.88, 96,845.42 and 50,095.87

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Solution

The fourth proportional to 70,281.88, 96,845.42 and 50,095.87 is: 69,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.88 : 96,845.42 = 50,095.87 : x
  2. Step 2: Convert to fraction form
    70,281.88/96,845.42 = 50,095.87/x
  3. Step 3: Cross multiply
    70,281.88x = 96,845.42 × 50,095.87
  4. Step 4: Simplify right side
    70,281.88x = 4,851,555,453.54
  5. Step 5: Solve for x
    x = 4,851,555,453.54/70,281.88
  6. Step 6: Final answer
    x = 69,029.96

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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.