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Finding the Fourth Proportional to 70,014.74, 96,701.00 and 50,979.65

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Solution

The fourth proportional to 70,014.74, 96,701.00 and 50,979.65 is: 70,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,014.74 : 96,701.00 = 50,979.65 : x
  2. Step 2: Convert to fraction form
    70,014.74/96,701.00 = 50,979.65/x
  3. Step 3: Cross multiply
    70,014.74x = 96,701.00 × 50,979.65
  4. Step 4: Simplify right side
    70,014.74x = 4,929,782,396.25
  5. Step 5: Solve for x
    x = 4,929,782,396.25/70,014.74
  6. Step 6: Final answer
    x = 70,410.64

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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.