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Finding the Fourth Proportional to 250,062.76, 345,087.54 and 136,896.04

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Solution

The fourth proportional to 250,062.76, 345,087.54 and 136,896.04 is: 188,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,062.76 : 345,087.54 = 136,896.04 : x
  2. Step 2: Convert to fraction form
    250,062.76/345,087.54 = 136,896.04/x
  3. Step 3: Cross multiply
    250,062.76x = 345,087.54 × 136,896.04
  4. Step 4: Simplify right side
    250,062.76x = 47,241,117,679.34
  5. Step 5: Solve for x
    x = 47,241,117,679.34/250,062.76
  6. Step 6: Final answer
    x = 188,917.04

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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.