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Finding the Fourth Proportional to 143,094.70, 214,644.03 and 43,255.72

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Solution

The fourth proportional to 143,094.70, 214,644.03 and 43,255.72 is: 64,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,094.70 : 214,644.03 = 43,255.72 : x
  2. Step 2: Convert to fraction form
    143,094.70/214,644.03 = 43,255.72/x
  3. Step 3: Cross multiply
    143,094.70x = 214,644.03 × 43,255.72
  4. Step 4: Simplify right side
    143,094.70x = 9,284,582,061.35
  5. Step 5: Solve for x
    x = 9,284,582,061.35/143,094.70
  6. Step 6: Final answer
    x = 64,884.18

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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.