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Finding the Fourth Proportional to 110,396.21, 164,745.32 and 109,764.72

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Solution

The fourth proportional to 110,396.21, 164,745.32 and 109,764.72 is: 163,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,396.21 : 164,745.32 = 109,764.72 : x
  2. Step 2: Convert to fraction form
    110,396.21/164,745.32 = 109,764.72/x
  3. Step 3: Cross multiply
    110,396.21x = 164,745.32 × 109,764.72
  4. Step 4: Simplify right side
    110,396.21x = 18,083,224,195.52
  5. Step 5: Solve for x
    x = 18,083,224,195.52/110,396.21
  6. Step 6: Final answer
    x = 163,802.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.