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Finding the Fourth Proportional to 185,165.10, 277,848.45 and 100,920.30

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Solution

The fourth proportional to 185,165.10, 277,848.45 and 100,920.30 is: 151,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,165.10 : 277,848.45 = 100,920.30 : x
  2. Step 2: Convert to fraction form
    185,165.10/277,848.45 = 100,920.30/x
  3. Step 3: Cross multiply
    185,165.10x = 277,848.45 × 100,920.30
  4. Step 4: Simplify right side
    185,165.10x = 28,040,548,928.54
  5. Step 5: Solve for x
    x = 28,040,548,928.54/185,165.10
  6. Step 6: Final answer
    x = 151,435.39

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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.