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Finding the Fourth Proportional to 33,103,408.80, 49,543,138.80 and 29,072,330.40

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Solution

The fourth proportional to 33,103,408.80, 49,543,138.80 and 29,072,330.40 is: 43,510,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,103,408.80 : 49,543,138.80 = 29,072,330.40 : x
  2. Step 2: Convert to fraction form
    33,103,408.80/49,543,138.80 = 29,072,330.40/x
  3. Step 3: Cross multiply
    33,103,408.80x = 49,543,138.80 × 29,072,330.40
  4. Step 4: Simplify right side
    33,103,408.80x = 1,440,334,500,246,659.25
  5. Step 5: Solve for x
    x = 1,440,334,500,246,659.25/33,103,408.80
  6. Step 6: Final answer
    x = 43,510,156.58

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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.