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Finding the Fourth Proportional to 351,194, 526,805.74 and 111,302.68

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Solution

The fourth proportional to 351,194, 526,805.74 and 111,302.68 is: 166,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,194 : 526,805.74 = 111,302.68 : x
  2. Step 2: Convert to fraction form
    351,194/526,805.74 = 111,302.68/x
  3. Step 3: Cross multiply
    351,194x = 526,805.74 × 111,302.68
  4. Step 4: Simplify right side
    351,194x = 58,634,890,701.38
  5. Step 5: Solve for x
    x = 58,634,890,701.38/351,194
  6. Step 6: Final answer
    x = 166,958.69

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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.