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Finding the Fourth Proportional to 104,801.26, 144,621.19 and 57,054.77

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Solution

The fourth proportional to 104,801.26, 144,621.19 and 57,054.77 is: 78,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,801.26 : 144,621.19 = 57,054.77 : x
  2. Step 2: Convert to fraction form
    104,801.26/144,621.19 = 57,054.77/x
  3. Step 3: Cross multiply
    104,801.26x = 144,621.19 × 57,054.77
  4. Step 4: Simplify right side
    104,801.26x = 8,251,328,732.58
  5. Step 5: Solve for x
    x = 8,251,328,732.58/104,801.26
  6. Step 6: Final answer
    x = 78,733.11

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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.