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Finding the Fourth Proportional to 350,859.95, 526,354.86 and 111,034.22

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Solution

The fourth proportional to 350,859.95, 526,354.86 and 111,034.22 is: 166,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,859.95 : 526,354.86 = 111,034.22 : x
  2. Step 2: Convert to fraction form
    350,859.95/526,354.86 = 111,034.22/x
  3. Step 3: Cross multiply
    350,859.95x = 526,354.86 × 111,034.22
  4. Step 4: Simplify right side
    350,859.95x = 58,443,399,963.72
  5. Step 5: Solve for x
    x = 58,443,399,963.72/350,859.95
  6. Step 6: Final answer
    x = 166,571.87

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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.