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Finding the Fourth Proportional to 156,767.31, 234,989.91 and 61,958.97

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Solution

The fourth proportional to 156,767.31, 234,989.91 and 61,958.97 is: 92,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,767.31 : 234,989.91 = 61,958.97 : x
  2. Step 2: Convert to fraction form
    156,767.31/234,989.91 = 61,958.97/x
  3. Step 3: Cross multiply
    156,767.31x = 234,989.91 × 61,958.97
  4. Step 4: Simplify right side
    156,767.31x = 14,559,732,783.99
  5. Step 5: Solve for x
    x = 14,559,732,783.99/156,767.31
  6. Step 6: Final answer
    x = 92,874.80

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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.