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Finding the Fourth Proportional to 64,606.62, 96,811.00 and 43,468.35

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Solution

The fourth proportional to 64,606.62, 96,811.00 and 43,468.35 is: 65,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.62 : 96,811.00 = 43,468.35 : x
  2. Step 2: Convert to fraction form
    64,606.62/96,811.00 = 43,468.35/x
  3. Step 3: Cross multiply
    64,606.62x = 96,811.00 × 43,468.35
  4. Step 4: Simplify right side
    64,606.62x = 4,208,214,749.21
  5. Step 5: Solve for x
    x = 4,208,214,749.21/64,606.62
  6. Step 6: Final answer
    x = 65,135.97

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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.