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Finding the Fourth Proportional to 194,930.28, 292,405.86 and 61,820.64

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Solution

The fourth proportional to 194,930.28, 292,405.86 and 61,820.64 is: 92,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,930.28 : 292,405.86 = 61,820.64 : x
  2. Step 2: Convert to fraction form
    194,930.28/292,405.86 = 61,820.64/x
  3. Step 3: Cross multiply
    194,930.28x = 292,405.86 × 61,820.64
  4. Step 4: Simplify right side
    194,930.28x = 18,076,717,404.95
  5. Step 5: Solve for x
    x = 18,076,717,404.95/194,930.28
  6. Step 6: Final answer
    x = 92,734.27

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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.