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Finding the Fourth Proportional to 185,108.58, 277,627.56 and 90,243.54

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Solution

The fourth proportional to 185,108.58, 277,627.56 and 90,243.54 is: 135,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,108.58 : 277,627.56 = 90,243.54 : x
  2. Step 2: Convert to fraction form
    185,108.58/277,627.56 = 90,243.54/x
  3. Step 3: Cross multiply
    185,108.58x = 277,627.56 × 90,243.54
  4. Step 4: Simplify right side
    185,108.58x = 25,054,093,815.96
  5. Step 5: Solve for x
    x = 25,054,093,815.96/185,108.58
  6. Step 6: Final answer
    x = 135,348.10

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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.