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Finding the Fourth Proportional to 194,901.56, 292,328.04 and 54,671.12

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Solution

The fourth proportional to 194,901.56, 292,328.04 and 54,671.12 is: 81,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,901.56 : 292,328.04 = 54,671.12 : x
  2. Step 2: Convert to fraction form
    194,901.56/292,328.04 = 54,671.12/x
  3. Step 3: Cross multiply
    194,901.56x = 292,328.04 × 54,671.12
  4. Step 4: Simplify right side
    194,901.56x = 15,981,901,354.20
  5. Step 5: Solve for x
    x = 15,981,901,354.20/194,901.56
  6. Step 6: Final answer
    x = 81,999.86

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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.