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Finding the Fourth Proportional to 69,484.70, 104,366.46 and 41,459.48

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Solution

The fourth proportional to 69,484.70, 104,366.46 and 41,459.48 is: 62,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484.70 : 104,366.46 = 41,459.48 : x
  2. Step 2: Convert to fraction form
    69,484.70/104,366.46 = 41,459.48/x
  3. Step 3: Cross multiply
    69,484.70x = 104,366.46 × 41,459.48
  4. Step 4: Simplify right side
    69,484.70x = 4,326,979,161.04
  5. Step 5: Solve for x
    x = 4,326,979,161.04/69,484.70
  6. Step 6: Final answer
    x = 62,272.40

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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.