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Finding the Fourth Proportional to 318,235.64, 477,286.22 and 93,534.95

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Solution

The fourth proportional to 318,235.64, 477,286.22 and 93,534.95 is: 140,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,235.64 : 477,286.22 = 93,534.95 : x
  2. Step 2: Convert to fraction form
    318,235.64/477,286.22 = 93,534.95/x
  3. Step 3: Cross multiply
    318,235.64x = 477,286.22 × 93,534.95
  4. Step 4: Simplify right side
    318,235.64x = 44,642,944,150.44
  5. Step 5: Solve for x
    x = 44,642,944,150.44/318,235.64
  6. Step 6: Final answer
    x = 140,282.67

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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.