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Finding the Fourth Proportional to 111,847.95, 167,771.90 and 40,775.91

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Solution

The fourth proportional to 111,847.95, 167,771.90 and 40,775.91 is: 61,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,847.95 : 167,771.90 = 40,775.91 : x
  2. Step 2: Convert to fraction form
    111,847.95/167,771.90 = 40,775.91/x
  3. Step 3: Cross multiply
    111,847.95x = 167,771.90 × 40,775.91
  4. Step 4: Simplify right side
    111,847.95x = 6,841,051,894.93
  5. Step 5: Solve for x
    x = 6,841,051,894.93/111,847.95
  6. Step 6: Final answer
    x = 61,163.86

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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.