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Finding the Fourth Proportional to 169,400.77, 254,098.42 and 41,318.51

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Solution

The fourth proportional to 169,400.77, 254,098.42 and 41,318.51 is: 61,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,400.77 : 254,098.42 = 41,318.51 : x
  2. Step 2: Convert to fraction form
    169,400.77/254,098.42 = 41,318.51/x
  3. Step 3: Cross multiply
    169,400.77x = 254,098.42 × 41,318.51
  4. Step 4: Simplify right side
    169,400.77x = 10,498,966,733.97
  5. Step 5: Solve for x
    x = 10,498,966,733.97/169,400.77
  6. Step 6: Final answer
    x = 61,977.09

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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.