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Finding the Fourth Proportional to 351,099.88, 526,728.86 and 111,228.23

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Solution

The fourth proportional to 351,099.88, 526,728.86 and 111,228.23 is: 166,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,099.88 : 526,728.86 = 111,228.23 : x
  2. Step 2: Convert to fraction form
    351,099.88/526,728.86 = 111,228.23/x
  3. Step 3: Cross multiply
    351,099.88x = 526,728.86 × 111,228.23
  4. Step 4: Simplify right side
    351,099.88x = 58,587,118,787.72
  5. Step 5: Solve for x
    x = 58,587,118,787.72/351,099.88
  6. Step 6: Final answer
    x = 166,867.38

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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.