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Finding the Fourth Proportional to 69,844.42, 104,599.87 and 40,199.94

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Solution

The fourth proportional to 69,844.42, 104,599.87 and 40,199.94 is: 60,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844.42 : 104,599.87 = 40,199.94 : x
  2. Step 2: Convert to fraction form
    69,844.42/104,599.87 = 40,199.94/x
  3. Step 3: Cross multiply
    69,844.42x = 104,599.87 × 40,199.94
  4. Step 4: Simplify right side
    69,844.42x = 4,204,908,397.51
  5. Step 5: Solve for x
    x = 4,204,908,397.51/69,844.42
  6. Step 6: Final answer
    x = 60,203.93

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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.