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Finding the Fourth Proportional to 123,113.72, 184,670.64 and 29,619.47

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Solution

The fourth proportional to 123,113.72, 184,670.64 and 29,619.47 is: 44,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,113.72 : 184,670.64 = 29,619.47 : x
  2. Step 2: Convert to fraction form
    123,113.72/184,670.64 = 29,619.47/x
  3. Step 3: Cross multiply
    123,113.72x = 184,670.64 × 29,619.47
  4. Step 4: Simplify right side
    123,113.72x = 5,469,846,481.36
  5. Step 5: Solve for x
    x = 5,469,846,481.36/123,113.72
  6. Step 6: Final answer
    x = 44,429.22

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1.5x scale

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.