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Finding the Fourth Proportional to 69,410.36, 104,071.49 and 58,884

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Solution

The fourth proportional to 69,410.36, 104,071.49 and 58,884 is: 88,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.36 : 104,071.49 = 58,884 : x
  2. Step 2: Convert to fraction form
    69,410.36/104,071.49 = 58,884/x
  3. Step 3: Cross multiply
    69,410.36x = 104,071.49 × 58,884
  4. Step 4: Simplify right side
    69,410.36x = 6,128,145,322.74
  5. Step 5: Solve for x
    x = 6,128,145,322.74/69,410.36
  6. Step 6: Final answer
    x = 88,288.63

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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.