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Finding the Fourth Proportional to 171,383.36, 257,072.28 and 46,724.36

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Solution

The fourth proportional to 171,383.36, 257,072.28 and 46,724.36 is: 70,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,383.36 : 257,072.28 = 46,724.36 : x
  2. Step 2: Convert to fraction form
    171,383.36/257,072.28 = 46,724.36/x
  3. Step 3: Cross multiply
    171,383.36x = 257,072.28 × 46,724.36
  4. Step 4: Simplify right side
    171,383.36x = 12,011,536,471.38
  5. Step 5: Solve for x
    x = 12,011,536,471.38/171,383.36
  6. Step 6: Final answer
    x = 70,085.78

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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.