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Finding the Fourth Proportional to 115,967.64, 174,029.40 and 41,087.52

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Solution

The fourth proportional to 115,967.64, 174,029.40 and 41,087.52 is: 61,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967.64 : 174,029.40 = 41,087.52 : x
  2. Step 2: Convert to fraction form
    115,967.64/174,029.40 = 41,087.52/x
  3. Step 3: Cross multiply
    115,967.64x = 174,029.40 × 41,087.52
  4. Step 4: Simplify right side
    115,967.64x = 7,150,436,453.09
  5. Step 5: Solve for x
    x = 7,150,436,453.09/115,967.64
  6. Step 6: Final answer
    x = 61,658.89

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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.