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Finding the Fourth Proportional to 78,301.44, 108,053.44 and 43,846.20

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Solution

The fourth proportional to 78,301.44, 108,053.44 and 43,846.20 is: 60,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,301.44 : 108,053.44 = 43,846.20 : x
  2. Step 2: Convert to fraction form
    78,301.44/108,053.44 = 43,846.20/x
  3. Step 3: Cross multiply
    78,301.44x = 108,053.44 × 43,846.20
  4. Step 4: Simplify right side
    78,301.44x = 4,737,732,740.93
  5. Step 5: Solve for x
    x = 4,737,732,740.93/78,301.44
  6. Step 6: Final answer
    x = 60,506.33

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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.