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Finding the Fourth Proportional to 64,103.99, 96,144.86 and 17,345.93

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Solution

The fourth proportional to 64,103.99, 96,144.86 and 17,345.93 is: 26,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,103.99 : 96,144.86 = 17,345.93 : x
  2. Step 2: Convert to fraction form
    64,103.99/96,144.86 = 17,345.93/x
  3. Step 3: Cross multiply
    64,103.99x = 96,144.86 × 17,345.93
  4. Step 4: Simplify right side
    64,103.99x = 1,667,721,443.97
  5. Step 5: Solve for x
    x = 1,667,721,443.97/64,103.99
  6. Step 6: Final answer
    x = 26,015.88

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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.