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Finding the Fourth Proportional to 185,051.56, 277,408.38 and 72,650.92

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Solution

The fourth proportional to 185,051.56, 277,408.38 and 72,650.92 is: 108,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,051.56 : 277,408.38 = 72,650.92 : x
  2. Step 2: Convert to fraction form
    185,051.56/277,408.38 = 72,650.92/x
  3. Step 3: Cross multiply
    185,051.56x = 277,408.38 × 72,650.92
  4. Step 4: Simplify right side
    185,051.56x = 20,153,974,022.71
  5. Step 5: Solve for x
    x = 20,153,974,022.71/185,051.56
  6. Step 6: Final answer
    x = 108,910.05

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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.