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Finding the Fourth Proportional to 291,611.52, 437,476.50 and 123,132.33

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Solution

The fourth proportional to 291,611.52, 437,476.50 and 123,132.33 is: 184,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,611.52 : 437,476.50 = 123,132.33 : x
  2. Step 2: Convert to fraction form
    291,611.52/437,476.50 = 123,132.33/x
  3. Step 3: Cross multiply
    291,611.52x = 437,476.50 × 123,132.33
  4. Step 4: Simplify right side
    291,611.52x = 53,867,500,765.25
  5. Step 5: Solve for x
    x = 53,867,500,765.25/291,611.52
  6. Step 6: Final answer
    x = 184,723.50

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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.