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Finding the Fourth Proportional to 194,893.56, 292,340.34 and 73,336.95

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Solution

The fourth proportional to 194,893.56, 292,340.34 and 73,336.95 is: 110,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,893.56 : 292,340.34 = 73,336.95 : x
  2. Step 2: Convert to fraction form
    194,893.56/292,340.34 = 73,336.95/x
  3. Step 3: Cross multiply
    194,893.56x = 292,340.34 × 73,336.95
  4. Step 4: Simplify right side
    194,893.56x = 21,439,348,897.56
  5. Step 5: Solve for x
    x = 21,439,348,897.56/194,893.56
  6. Step 6: Final answer
    x = 110,005.43

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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.