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Finding the Fourth Proportional to 169,878.56, 254,804.82 and 51,550.52

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Solution

The fourth proportional to 169,878.56, 254,804.82 and 51,550.52 is: 77,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,878.56 : 254,804.82 = 51,550.52 : x
  2. Step 2: Convert to fraction form
    169,878.56/254,804.82 = 51,550.52/x
  3. Step 3: Cross multiply
    169,878.56x = 254,804.82 × 51,550.52
  4. Step 4: Simplify right side
    169,878.56x = 13,135,320,969.51
  5. Step 5: Solve for x
    x = 13,135,320,969.51/169,878.56
  6. Step 6: Final answer
    x = 77,321.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.