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Finding the Fourth Proportional to 69,401.88, 104,100.93 and 19,482.39

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Solution

The fourth proportional to 69,401.88, 104,100.93 and 19,482.39 is: 29,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.88 : 104,100.93 = 19,482.39 : x
  2. Step 2: Convert to fraction form
    69,401.88/104,100.93 = 19,482.39/x
  3. Step 3: Cross multiply
    69,401.88x = 104,100.93 × 19,482.39
  4. Step 4: Simplify right side
    69,401.88x = 2,028,134,917.62
  5. Step 5: Solve for x
    x = 2,028,134,917.62/69,401.88
  6. Step 6: Final answer
    x = 29,223.05

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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.