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Finding the Fourth Proportional to 80,468.33, 111,045.48 and 44,658.64

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Solution

The fourth proportional to 80,468.33, 111,045.48 and 44,658.64 is: 61,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468.33 : 111,045.48 = 44,658.64 : x
  2. Step 2: Convert to fraction form
    80,468.33/111,045.48 = 44,658.64/x
  3. Step 3: Cross multiply
    80,468.33x = 111,045.48 × 44,658.64
  4. Step 4: Simplify right side
    80,468.33x = 4,959,139,559.72
  5. Step 5: Solve for x
    x = 4,959,139,559.72/80,468.33
  6. Step 6: Final answer
    x = 61,628.46

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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.