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Finding the Fourth Proportional to 216,770.05, 325,074.27 and 74,575.56

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Solution

The fourth proportional to 216,770.05, 325,074.27 and 74,575.56 is: 111,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,770.05 : 325,074.27 = 74,575.56 : x
  2. Step 2: Convert to fraction form
    216,770.05/325,074.27 = 74,575.56/x
  3. Step 3: Cross multiply
    216,770.05x = 325,074.27 × 74,575.56
  4. Step 4: Simplify right side
    216,770.05x = 24,242,595,726.84
  5. Step 5: Solve for x
    x = 24,242,595,726.84/216,770.05
  6. Step 6: Final answer
    x = 111,835.54

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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.