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Finding the Fourth Proportional to 216,500.94, 324,668.34 and 74,319.72

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Solution

The fourth proportional to 216,500.94, 324,668.34 and 74,319.72 is: 111,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.94 : 324,668.34 = 74,319.72 : x
  2. Step 2: Convert to fraction form
    216,500.94/324,668.34 = 74,319.72/x
  3. Step 3: Cross multiply
    216,500.94x = 324,668.34 × 74,319.72
  4. Step 4: Simplify right side
    216,500.94x = 24,129,260,121.66
  5. Step 5: Solve for x
    x = 24,129,260,121.66/216,500.94
  6. Step 6: Final answer
    x = 111,451.06

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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.