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Finding the Fourth Proportional to 194,773.20, 292,102.20 and 76,376.40

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Solution

The fourth proportional to 194,773.20, 292,102.20 and 76,376.40 is: 114,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,773.20 : 292,102.20 = 76,376.40 : x
  2. Step 2: Convert to fraction form
    194,773.20/292,102.20 = 76,376.40/x
  3. Step 3: Cross multiply
    194,773.20x = 292,102.20 × 76,376.40
  4. Step 4: Simplify right side
    194,773.20x = 22,309,714,468.08
  5. Step 5: Solve for x
    x = 22,309,714,468.08/194,773.20
  6. Step 6: Final answer
    x = 114,542.01

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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.