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Finding the Fourth Proportional to 351,231.88, 526,803.38 and 111,348.11

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Solution

The fourth proportional to 351,231.88, 526,803.38 and 111,348.11 is: 167,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,231.88 : 526,803.38 = 111,348.11 : x
  2. Step 2: Convert to fraction form
    351,231.88/526,803.38 = 111,348.11/x
  3. Step 3: Cross multiply
    351,231.88x = 526,803.38 × 111,348.11
  4. Step 4: Simplify right side
    351,231.88x = 58,658,557,513.85
  5. Step 5: Solve for x
    x = 58,658,557,513.85/351,231.88
  6. Step 6: Final answer
    x = 167,008.07

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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.