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Finding the Fourth Proportional to 78,801.43, 108,745.44 and 44,809.91

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Solution

The fourth proportional to 78,801.43, 108,745.44 and 44,809.91 is: 61,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,801.43 : 108,745.44 = 44,809.91 : x
  2. Step 2: Convert to fraction form
    78,801.43/108,745.44 = 44,809.91/x
  3. Step 3: Cross multiply
    78,801.43x = 108,745.44 × 44,809.91
  4. Step 4: Simplify right side
    78,801.43x = 4,872,873,379.31
  5. Step 5: Solve for x
    x = 4,872,873,379.31/78,801.43
  6. Step 6: Final answer
    x = 61,837.38

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1.5x scale

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.