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Finding the Fourth Proportional to 122,709.33, 184,064.31 and 37,320.93

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Solution

The fourth proportional to 122,709.33, 184,064.31 and 37,320.93 is: 55,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,709.33 : 184,064.31 = 37,320.93 : x
  2. Step 2: Convert to fraction form
    122,709.33/184,064.31 = 37,320.93/x
  3. Step 3: Cross multiply
    122,709.33x = 184,064.31 × 37,320.93
  4. Step 4: Simplify right side
    122,709.33x = 6,869,451,229.01
  5. Step 5: Solve for x
    x = 6,869,451,229.01/122,709.33
  6. Step 6: Final answer
    x = 55,981.49

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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.