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Finding the Fourth Proportional to 69,887.88, 104,785.62 and 25,506.36

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Solution

The fourth proportional to 69,887.88, 104,785.62 and 25,506.36 is: 38,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.88 : 104,785.62 = 25,506.36 : x
  2. Step 2: Convert to fraction form
    69,887.88/104,785.62 = 25,506.36/x
  3. Step 3: Cross multiply
    69,887.88x = 104,785.62 × 25,506.36
  4. Step 4: Simplify right side
    69,887.88x = 2,672,699,746.54
  5. Step 5: Solve for x
    x = 2,672,699,746.54/69,887.88
  6. Step 6: Final answer
    x = 38,242.68

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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.