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Finding the Fourth Proportional to 171,798.36, 257,797.98 and 71,950.12

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Solution

The fourth proportional to 171,798.36, 257,797.98 and 71,950.12 is: 107,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,798.36 : 257,797.98 = 71,950.12 : x
  2. Step 2: Convert to fraction form
    171,798.36/257,797.98 = 71,950.12/x
  3. Step 3: Cross multiply
    171,798.36x = 257,797.98 × 71,950.12
  4. Step 4: Simplify right side
    171,798.36x = 18,548,595,596.76
  5. Step 5: Solve for x
    x = 18,548,595,596.76/171,798.36
  6. Step 6: Final answer
    x = 107,967.24

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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.