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Finding the Fourth Proportional to 183,687.54, 253,416.36 and 106,111.91

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Solution

The fourth proportional to 183,687.54, 253,416.36 and 106,111.91 is: 146,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,687.54 : 253,416.36 = 106,111.91 : x
  2. Step 2: Convert to fraction form
    183,687.54/253,416.36 = 106,111.91/x
  3. Step 3: Cross multiply
    183,687.54x = 253,416.36 × 106,111.91
  4. Step 4: Simplify right side
    183,687.54x = 26,890,493,984.85
  5. Step 5: Solve for x
    x = 26,890,493,984.85/183,687.54
  6. Step 6: Final answer
    x = 146,392.59

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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.