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Finding the Fourth Proportional to 143,133.86, 214,700.79 and 37,961.03

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Solution

The fourth proportional to 143,133.86, 214,700.79 and 37,961.03 is: 56,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,133.86 : 214,700.79 = 37,961.03 : x
  2. Step 2: Convert to fraction form
    143,133.86/214,700.79 = 37,961.03/x
  3. Step 3: Cross multiply
    143,133.86x = 214,700.79 × 37,961.03
  4. Step 4: Simplify right side
    143,133.86x = 8,150,263,130.21
  5. Step 5: Solve for x
    x = 8,150,263,130.21/143,133.86
  6. Step 6: Final answer
    x = 56,941.55

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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.