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Finding the Fourth Proportional to 69,453.47, 104,108.69 and 27,316.46

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Solution

The fourth proportional to 69,453.47, 104,108.69 and 27,316.46 is: 40,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,453.47 : 104,108.69 = 27,316.46 : x
  2. Step 2: Convert to fraction form
    69,453.47/104,108.69 = 27,316.46/x
  3. Step 3: Cross multiply
    69,453.47x = 104,108.69 × 27,316.46
  4. Step 4: Simplify right side
    69,453.47x = 2,843,881,194.60
  5. Step 5: Solve for x
    x = 2,843,881,194.60/69,453.47
  6. Step 6: Final answer
    x = 40,946.57

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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.