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Finding the Fourth Proportional to 185,010.30, 277,645.05 and 118,611.90

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Solution

The fourth proportional to 185,010.30, 277,645.05 and 118,611.90 is: 178,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,010.30 : 277,645.05 = 118,611.90 : x
  2. Step 2: Convert to fraction form
    185,010.30/277,645.05 = 118,611.90/x
  3. Step 3: Cross multiply
    185,010.30x = 277,645.05 × 118,611.90
  4. Step 4: Simplify right side
    185,010.30x = 32,932,006,906.10
  5. Step 5: Solve for x
    x = 32,932,006,906.10/185,010.30
  6. Step 6: Final answer
    x = 178,000.94

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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.