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Finding the Fourth Proportional to 79,315.33, 118,739.24 and 69,473.83

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Solution

The fourth proportional to 79,315.33, 118,739.24 and 69,473.83 is: 104,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,315.33 : 118,739.24 = 69,473.83 : x
  2. Step 2: Convert to fraction form
    79,315.33/118,739.24 = 69,473.83/x
  3. Step 3: Cross multiply
    79,315.33x = 118,739.24 × 69,473.83
  4. Step 4: Simplify right side
    79,315.33x = 8,249,269,180.39
  5. Step 5: Solve for x
    x = 8,249,269,180.39/79,315.33
  6. Step 6: Final answer
    x = 104,005.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.