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Finding the Fourth Proportional to 64,171.85, 96,271.49 and 19,196.73

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Solution

The fourth proportional to 64,171.85, 96,271.49 and 19,196.73 is: 28,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,171.85 : 96,271.49 = 19,196.73 : x
  2. Step 2: Convert to fraction form
    64,171.85/96,271.49 = 19,196.73/x
  3. Step 3: Cross multiply
    64,171.85x = 96,271.49 × 19,196.73
  4. Step 4: Simplify right side
    64,171.85x = 1,848,097,848.22
  5. Step 5: Solve for x
    x = 1,848,097,848.22/64,171.85
  6. Step 6: Final answer
    x = 28,799.20

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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.