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Finding the Fourth Proportional to 130,752.99, 196,234.58 and 67,591.69

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Solution

The fourth proportional to 130,752.99, 196,234.58 and 67,591.69 is: 101,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,752.99 : 196,234.58 = 67,591.69 : x
  2. Step 2: Convert to fraction form
    130,752.99/196,234.58 = 67,591.69/x
  3. Step 3: Cross multiply
    130,752.99x = 196,234.58 × 67,591.69
  4. Step 4: Simplify right side
    130,752.99x = 13,263,826,898.64
  5. Step 5: Solve for x
    x = 13,263,826,898.64/130,752.99
  6. Step 6: Final answer
    x = 101,441.86

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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.