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Finding the Fourth Proportional to 106,320.67, 159,451.84 and 39,738.67

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Solution

The fourth proportional to 106,320.67, 159,451.84 and 39,738.67 is: 59,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,320.67 : 159,451.84 = 39,738.67 : x
  2. Step 2: Convert to fraction form
    106,320.67/159,451.84 = 39,738.67/x
  3. Step 3: Cross multiply
    106,320.67x = 159,451.84 × 39,738.67
  4. Step 4: Simplify right side
    106,320.67x = 6,336,404,050.65
  5. Step 5: Solve for x
    x = 6,336,404,050.65/106,320.67
  6. Step 6: Final answer
    x = 59,597.10

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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.