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Finding the Fourth Proportional to 416,980.07, 625,233.07 and 164,123.49

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Solution

The fourth proportional to 416,980.07, 625,233.07 and 164,123.49 is: 246,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,980.07 : 625,233.07 = 164,123.49 : x
  2. Step 2: Convert to fraction form
    416,980.07/625,233.07 = 164,123.49/x
  3. Step 3: Cross multiply
    416,980.07x = 625,233.07 × 164,123.49
  4. Step 4: Simplify right side
    416,980.07x = 102,615,433,511.81
  5. Step 5: Solve for x
    x = 102,615,433,511.81/416,980.07
  6. Step 6: Final answer
    x = 246,091.94

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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.