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Finding the Fourth Proportional to 111,776.87, 167,629.74 and 36,883.05

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Solution

The fourth proportional to 111,776.87, 167,629.74 and 36,883.05 is: 55,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,776.87 : 167,629.74 = 36,883.05 : x
  2. Step 2: Convert to fraction form
    111,776.87/167,629.74 = 36,883.05/x
  3. Step 3: Cross multiply
    111,776.87x = 167,629.74 × 36,883.05
  4. Step 4: Simplify right side
    111,776.87x = 6,182,696,257.90
  5. Step 5: Solve for x
    x = 6,182,696,257.90/111,776.87
  6. Step 6: Final answer
    x = 55,312.84

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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.