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Finding the Fourth Proportional to 185,603.52, 278,046.54 and 110,783.28

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Solution

The fourth proportional to 185,603.52, 278,046.54 and 110,783.28 is: 165,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,603.52 : 278,046.54 = 110,783.28 : x
  2. Step 2: Convert to fraction form
    185,603.52/278,046.54 = 110,783.28/x
  3. Step 3: Cross multiply
    185,603.52x = 278,046.54 × 110,783.28
  4. Step 4: Simplify right side
    185,603.52x = 30,802,907,693.85
  5. Step 5: Solve for x
    x = 30,802,907,693.85/185,603.52
  6. Step 6: Final answer
    x = 165,960.79

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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.