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Finding the Fourth Proportional to 62,468.47, 86,207.81 and 34,174.16

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Solution

The fourth proportional to 62,468.47, 86,207.81 and 34,174.16 is: 47,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,468.47 : 86,207.81 = 34,174.16 : x
  2. Step 2: Convert to fraction form
    62,468.47/86,207.81 = 34,174.16/x
  3. Step 3: Cross multiply
    62,468.47x = 86,207.81 × 34,174.16
  4. Step 4: Simplify right side
    62,468.47x = 2,946,079,405.79
  5. Step 5: Solve for x
    x = 2,946,079,405.79/62,468.47
  6. Step 6: Final answer
    x = 47,161.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.