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Finding the Fourth Proportional to 263,992.69, 364,312.52 and 143,133.67

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Solution

The fourth proportional to 263,992.69, 364,312.52 and 143,133.67 is: 197,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,992.69 : 364,312.52 = 143,133.67 : x
  2. Step 2: Convert to fraction form
    263,992.69/364,312.52 = 143,133.67/x
  3. Step 3: Cross multiply
    263,992.69x = 364,312.52 × 143,133.67
  4. Step 4: Simplify right side
    263,992.69x = 52,145,388,014.55
  5. Step 5: Solve for x
    x = 52,145,388,014.55/263,992.69
  6. Step 6: Final answer
    x = 197,525.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.