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Finding the Fourth Proportional to 69,477.10, 104,213.22 and 29,470.40

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Solution

The fourth proportional to 69,477.10, 104,213.22 and 29,470.40 is: 44,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477.10 : 104,213.22 = 29,470.40 : x
  2. Step 2: Convert to fraction form
    69,477.10/104,213.22 = 29,470.40/x
  3. Step 3: Cross multiply
    69,477.10x = 104,213.22 × 29,470.40
  4. Step 4: Simplify right side
    69,477.10x = 3,071,205,278.69
  5. Step 5: Solve for x
    x = 3,071,205,278.69/69,477.10
  6. Step 6: Final answer
    x = 44,204.57

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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.