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Finding the Fourth Proportional to 143,958.88, 215,938.32 and 73,793.44

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Solution

The fourth proportional to 143,958.88, 215,938.32 and 73,793.44 is: 110,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,958.88 : 215,938.32 = 73,793.44 : x
  2. Step 2: Convert to fraction form
    143,958.88/215,938.32 = 73,793.44/x
  3. Step 3: Cross multiply
    143,958.88x = 215,938.32 × 73,793.44
  4. Step 4: Simplify right side
    143,958.88x = 15,934,831,460.62
  5. Step 5: Solve for x
    x = 15,934,831,460.62/143,958.88
  6. Step 6: Final answer
    x = 110,690.16

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1.5x scale

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.