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Finding the Fourth Proportional to 64,370.52, 96,553.92 and 43,448.16

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Solution

The fourth proportional to 64,370.52, 96,553.92 and 43,448.16 is: 65,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.52 : 96,553.92 = 43,448.16 : x
  2. Step 2: Convert to fraction form
    64,370.52/96,553.92 = 43,448.16/x
  3. Step 3: Cross multiply
    64,370.52x = 96,553.92 × 43,448.16
  4. Step 4: Simplify right side
    64,370.52x = 4,195,090,164.79
  5. Step 5: Solve for x
    x = 4,195,090,164.79/64,370.52
  6. Step 6: Final answer
    x = 65,170.98

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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.