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Finding the Fourth Proportional to 171,458.97, 257,583.74 and 164,373.21

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Solution

The fourth proportional to 171,458.97, 257,583.74 and 164,373.21 is: 246,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,458.97 : 257,583.74 = 164,373.21 : x
  2. Step 2: Convert to fraction form
    171,458.97/257,583.74 = 164,373.21/x
  3. Step 3: Cross multiply
    171,458.97x = 257,583.74 × 164,373.21
  4. Step 4: Simplify right side
    171,458.97x = 42,339,867,256.28
  5. Step 5: Solve for x
    x = 42,339,867,256.28/171,458.97
  6. Step 6: Final answer
    x = 246,938.77

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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.