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Finding the Fourth Proportional to 64,768.48, 97,167.36 and 19,793.92

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Solution

The fourth proportional to 64,768.48, 97,167.36 and 19,793.92 is: 29,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768.48 : 97,167.36 = 19,793.92 : x
  2. Step 2: Convert to fraction form
    64,768.48/97,167.36 = 19,793.92/x
  3. Step 3: Cross multiply
    64,768.48x = 97,167.36 × 19,793.92
  4. Step 4: Simplify right side
    64,768.48x = 1,923,322,950.45
  5. Step 5: Solve for x
    x = 1,923,322,950.45/64,768.48
  6. Step 6: Final answer
    x = 29,695.35

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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.