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Finding the Fourth Proportional to 194,471.06, 291,706.60 and 63,143.06

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Solution

The fourth proportional to 194,471.06, 291,706.60 and 63,143.06 is: 94,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,471.06 : 291,706.60 = 63,143.06 : x
  2. Step 2: Convert to fraction form
    194,471.06/291,706.60 = 63,143.06/x
  3. Step 3: Cross multiply
    194,471.06x = 291,706.60 × 63,143.06
  4. Step 4: Simplify right side
    194,471.06x = 18,419,247,917.60
  5. Step 5: Solve for x
    x = 18,419,247,917.60/194,471.06
  6. Step 6: Final answer
    x = 94,714.59

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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.