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Finding the Fourth Proportional to 78,452.42, 108,261.69 and 44,911.94

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Solution

The fourth proportional to 78,452.42, 108,261.69 and 44,911.94 is: 61,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452.42 : 108,261.69 = 44,911.94 : x
  2. Step 2: Convert to fraction form
    78,452.42/108,261.69 = 44,911.94/x
  3. Step 3: Cross multiply
    78,452.42x = 108,261.69 × 44,911.94
  4. Step 4: Simplify right side
    78,452.42x = 4,862,242,525.58
  5. Step 5: Solve for x
    x = 4,862,242,525.58/78,452.42
  6. Step 6: Final answer
    x = 61,976.96

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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.