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Finding the Fourth Proportional to 185,046.60, 277,181.10 and 153,942.60

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Solution

The fourth proportional to 185,046.60, 277,181.10 and 153,942.60 is: 230,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,046.60 : 277,181.10 = 153,942.60 : x
  2. Step 2: Convert to fraction form
    185,046.60/277,181.10 = 153,942.60/x
  3. Step 3: Cross multiply
    185,046.60x = 277,181.10 × 153,942.60
  4. Step 4: Simplify right side
    185,046.60x = 42,669,979,204.86
  5. Step 5: Solve for x
    x = 42,669,979,204.86/185,046.60
  6. Step 6: Final answer
    x = 230,590.45

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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.