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Finding the Fourth Proportional to 185,192.10, 277,460.10 and 156,979.80

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Solution

The fourth proportional to 185,192.10, 277,460.10 and 156,979.80 is: 235,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,192.10 : 277,460.10 = 156,979.80 : x
  2. Step 2: Convert to fraction form
    185,192.10/277,460.10 = 156,979.80/x
  3. Step 3: Cross multiply
    185,192.10x = 277,460.10 × 156,979.80
  4. Step 4: Simplify right side
    185,192.10x = 43,555,631,005.98
  5. Step 5: Solve for x
    x = 43,555,631,005.98/185,192.10
  6. Step 6: Final answer
    x = 235,191.63

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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.