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Finding the Fourth Proportional to 183,970.44, 253,879.92 and 103,401.36

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Solution

The fourth proportional to 183,970.44, 253,879.92 and 103,401.36 is: 142,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,970.44 : 253,879.92 = 103,401.36 : x
  2. Step 2: Convert to fraction form
    183,970.44/253,879.92 = 103,401.36/x
  3. Step 3: Cross multiply
    183,970.44x = 253,879.92 × 103,401.36
  4. Step 4: Simplify right side
    183,970.44x = 26,251,529,004.69
  5. Step 5: Solve for x
    x = 26,251,529,004.69/183,970.44
  6. Step 6: Final answer
    x = 142,694.28

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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.