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Finding the Fourth Proportional to 64,006.20, 96,216.66 and 63,695.16

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Solution

The fourth proportional to 64,006.20, 96,216.66 and 63,695.16 is: 95,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.20 : 96,216.66 = 63,695.16 : x
  2. Step 2: Convert to fraction form
    64,006.20/96,216.66 = 63,695.16/x
  3. Step 3: Cross multiply
    64,006.20x = 96,216.66 × 63,695.16
  4. Step 4: Simplify right side
    64,006.20x = 6,128,535,553.37
  5. Step 5: Solve for x
    x = 6,128,535,553.37/64,006.20
  6. Step 6: Final answer
    x = 95,749.09

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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.