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Finding the Fourth Proportional to 183,894.46, 253,774.56 and 103,321.92

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Solution

The fourth proportional to 183,894.46, 253,774.56 and 103,321.92 is: 142,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,894.46 : 253,774.56 = 103,321.92 : x
  2. Step 2: Convert to fraction form
    183,894.46/253,774.56 = 103,321.92/x
  3. Step 3: Cross multiply
    183,894.46x = 253,774.56 × 103,321.92
  4. Step 4: Simplify right side
    183,894.46x = 26,220,474,786.36
  5. Step 5: Solve for x
    x = 26,220,474,786.36/183,894.46
  6. Step 6: Final answer
    x = 142,584.36

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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.