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Finding the Fourth Proportional to 195,293.77, 292,940.65 and 185,321.05

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Solution

The fourth proportional to 195,293.77, 292,940.65 and 185,321.05 is: 277,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,293.77 : 292,940.65 = 185,321.05 : x
  2. Step 2: Convert to fraction form
    195,293.77/292,940.65 = 185,321.05/x
  3. Step 3: Cross multiply
    195,293.77x = 292,940.65 × 185,321.05
  4. Step 4: Simplify right side
    195,293.77x = 54,288,068,344.98
  5. Step 5: Solve for x
    x = 54,288,068,344.98/195,293.77
  6. Step 6: Final answer
    x = 277,981.57

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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.