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Finding the Fourth Proportional to 171,708.45, 257,559.93 and 47,049.45

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Solution

The fourth proportional to 171,708.45, 257,559.93 and 47,049.45 is: 70,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,708.45 : 257,559.93 = 47,049.45 : x
  2. Step 2: Convert to fraction form
    171,708.45/257,559.93 = 47,049.45/x
  3. Step 3: Cross multiply
    171,708.45x = 257,559.93 × 47,049.45
  4. Step 4: Simplify right side
    171,708.45x = 12,118,053,048.54
  5. Step 5: Solve for x
    x = 12,118,053,048.54/171,708.45
  6. Step 6: Final answer
    x = 70,573.42

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1.5x scale

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.