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Finding the Fourth Proportional to 111,322.56, 166,761.60 and 66,925.44

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Solution

The fourth proportional to 111,322.56, 166,761.60 and 66,925.44 is: 100,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,322.56 : 166,761.60 = 66,925.44 : x
  2. Step 2: Convert to fraction form
    111,322.56/166,761.60 = 66,925.44/x
  3. Step 3: Cross multiply
    111,322.56x = 166,761.60 × 66,925.44
  4. Step 4: Simplify right side
    111,322.56x = 11,160,593,455.10
  5. Step 5: Solve for x
    x = 11,160,593,455.10/111,322.56
  6. Step 6: Final answer
    x = 100,254.55

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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.