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Finding the Fourth Proportional to 69,401.50, 104,094.50 and 19,483.54

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Solution

The fourth proportional to 69,401.50, 104,094.50 and 19,483.54 is: 29,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.50 : 104,094.50 = 19,483.54 : x
  2. Step 2: Convert to fraction form
    69,401.50/104,094.50 = 19,483.54/x
  3. Step 3: Cross multiply
    69,401.50x = 104,094.50 × 19,483.54
  4. Step 4: Simplify right side
    69,401.50x = 2,028,129,354.53
  5. Step 5: Solve for x
    x = 2,028,129,354.53/69,401.50
  6. Step 6: Final answer
    x = 29,223.13

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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.