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Finding the Fourth Proportional to 140,650.62, 210,975.30 and 57,544.62

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Solution

The fourth proportional to 140,650.62, 210,975.30 and 57,544.62 is: 86,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,650.62 : 210,975.30 = 57,544.62 : x
  2. Step 2: Convert to fraction form
    140,650.62/210,975.30 = 57,544.62/x
  3. Step 3: Cross multiply
    140,650.62x = 210,975.30 × 57,544.62
  4. Step 4: Simplify right side
    140,650.62x = 12,140,493,467.89
  5. Step 5: Solve for x
    x = 12,140,493,467.89/140,650.62
  6. Step 6: Final answer
    x = 86,316.67

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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.