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Finding the Fourth Proportional to 171,458.88, 257,583.60 and 164,373.12

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Solution

The fourth proportional to 171,458.88, 257,583.60 and 164,373.12 is: 246,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,458.88 : 257,583.60 = 164,373.12 : x
  2. Step 2: Convert to fraction form
    171,458.88/257,583.60 = 164,373.12/x
  3. Step 3: Cross multiply
    171,458.88x = 257,583.60 × 164,373.12
  4. Step 4: Simplify right side
    171,458.88x = 42,339,819,992.83
  5. Step 5: Solve for x
    x = 42,339,819,992.83/171,458.88
  6. Step 6: Final answer
    x = 246,938.62

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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.