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Finding the Fourth Proportional to 143,893.81, 215,996.24 and 60,846.13

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Solution

The fourth proportional to 143,893.81, 215,996.24 and 60,846.13 is: 91,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,893.81 : 215,996.24 = 60,846.13 : x
  2. Step 2: Convert to fraction form
    143,893.81/215,996.24 = 60,846.13/x
  3. Step 3: Cross multiply
    143,893.81x = 215,996.24 × 60,846.13
  4. Step 4: Simplify right side
    143,893.81x = 13,142,535,298.55
  5. Step 5: Solve for x
    x = 13,142,535,298.55/143,893.81
  6. Step 6: Final answer
    x = 91,334.96

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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.