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Finding the Fourth Proportional to 184,253.67, 276,205.55 and 72,005.90

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Solution

The fourth proportional to 184,253.67, 276,205.55 and 72,005.90 is: 107,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,253.67 : 276,205.55 = 72,005.90 : x
  2. Step 2: Convert to fraction form
    184,253.67/276,205.55 = 72,005.90/x
  3. Step 3: Cross multiply
    184,253.67x = 276,205.55 × 72,005.90
  4. Step 4: Simplify right side
    184,253.67x = 19,888,427,471.69
  5. Step 5: Solve for x
    x = 19,888,427,471.69/184,253.67
  6. Step 6: Final answer
    x = 107,940.47

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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.