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Finding the Fourth Proportional to 60,793.85, 91,222.88 and 43,138.59

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Solution

The fourth proportional to 60,793.85, 91,222.88 and 43,138.59 is: 64,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,793.85 : 91,222.88 = 43,138.59 : x
  2. Step 2: Convert to fraction form
    60,793.85/91,222.88 = 43,138.59/x
  3. Step 3: Cross multiply
    60,793.85x = 91,222.88 × 43,138.59
  4. Step 4: Simplify right side
    60,793.85x = 3,935,226,203.25
  5. Step 5: Solve for x
    x = 3,935,226,203.25/60,793.85
  6. Step 6: Final answer
    x = 64,730.67

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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.