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Finding the Fourth Proportional to 416,988.47, 625,052.97 and 164,166.41

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Solution

The fourth proportional to 416,988.47, 625,052.97 and 164,166.41 is: 246,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,988.47 : 625,052.97 = 164,166.41 : x
  2. Step 2: Convert to fraction form
    416,988.47/625,052.97 = 164,166.41/x
  3. Step 3: Cross multiply
    416,988.47x = 625,052.97 × 164,166.41
  4. Step 4: Simplify right side
    416,988.47x = 102,612,703,707.37
  5. Step 5: Solve for x
    x = 102,612,703,707.37/416,988.47
  6. Step 6: Final answer
    x = 246,080.43

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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.