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Finding the Fourth Proportional to 171,470.70, 257,203.17 and 46,811.70

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Solution

The fourth proportional to 171,470.70, 257,203.17 and 46,811.70 is: 70,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,470.70 : 257,203.17 = 46,811.70 : x
  2. Step 2: Convert to fraction form
    171,470.70/257,203.17 = 46,811.70/x
  3. Step 3: Cross multiply
    171,470.70x = 257,203.17 × 46,811.70
  4. Step 4: Simplify right side
    171,470.70x = 12,040,117,633.09
  5. Step 5: Solve for x
    x = 12,040,117,633.09/171,470.70
  6. Step 6: Final answer
    x = 70,216.76

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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.