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Finding the Fourth Proportional to 171,597.83, 257,215.26 and 63,457.70

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Solution

The fourth proportional to 171,597.83, 257,215.26 and 63,457.70 is: 95,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,597.83 : 257,215.26 = 63,457.70 : x
  2. Step 2: Convert to fraction form
    171,597.83/257,215.26 = 63,457.70/x
  3. Step 3: Cross multiply
    171,597.83x = 257,215.26 × 63,457.70
  4. Step 4: Simplify right side
    171,597.83x = 16,322,289,792.79
  5. Step 5: Solve for x
    x = 16,322,289,792.79/171,597.83
  6. Step 6: Final answer
    x = 95,119.44

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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.