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Finding the Fourth Proportional to 64,161, 96,239.88 and 17,412.66

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Solution

The fourth proportional to 64,161, 96,239.88 and 17,412.66 is: 26,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161 : 96,239.88 = 17,412.66 : x
  2. Step 2: Convert to fraction form
    64,161/96,239.88 = 17,412.66/x
  3. Step 3: Cross multiply
    64,161x = 96,239.88 × 17,412.66
  4. Step 4: Simplify right side
    64,161x = 1,675,792,308.88
  5. Step 5: Solve for x
    x = 1,675,792,308.88/64,161
  6. Step 6: Final answer
    x = 26,118.55

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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.