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Finding the Fourth Proportional to 143,107.76, 214,676.34 and 37,926.74

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Solution

The fourth proportional to 143,107.76, 214,676.34 and 37,926.74 is: 56,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,107.76 : 214,676.34 = 37,926.74 : x
  2. Step 2: Convert to fraction form
    143,107.76/214,676.34 = 37,926.74/x
  3. Step 3: Cross multiply
    143,107.76x = 214,676.34 × 37,926.74
  4. Step 4: Simplify right side
    143,107.76x = 8,141,973,731.33
  5. Step 5: Solve for x
    x = 8,141,973,731.33/143,107.76
  6. Step 6: Final answer
    x = 56,894.01

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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.