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Finding the Fourth Proportional to 69,791.53, 96,303.57 and 47,179.72

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Solution

The fourth proportional to 69,791.53, 96,303.57 and 47,179.72 is: 65,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.53 : 96,303.57 = 47,179.72 : x
  2. Step 2: Convert to fraction form
    69,791.53/96,303.57 = 47,179.72/x
  3. Step 3: Cross multiply
    69,791.53x = 96,303.57 × 47,179.72
  4. Step 4: Simplify right side
    69,791.53x = 4,543,575,467.60
  5. Step 5: Solve for x
    x = 4,543,575,467.60/69,791.53
  6. Step 6: Final answer
    x = 65,102.10

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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.