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Finding the Fourth Proportional to 69,453.93, 104,071.44 and 53,697.39

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Solution

The fourth proportional to 69,453.93, 104,071.44 and 53,697.39 is: 80,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,453.93 : 104,071.44 = 53,697.39 : x
  2. Step 2: Convert to fraction form
    69,453.93/104,071.44 = 53,697.39/x
  3. Step 3: Cross multiply
    69,453.93x = 104,071.44 × 53,697.39
  4. Step 4: Simplify right side
    69,453.93x = 5,588,364,701.54
  5. Step 5: Solve for x
    x = 5,588,364,701.54/69,453.93
  6. Step 6: Final answer
    x = 80,461.46

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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.