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Finding the Fourth Proportional to 351,192, 526,802.74 and 111,300.68

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Solution

The fourth proportional to 351,192, 526,802.74 and 111,300.68 is: 166,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,192 : 526,802.74 = 111,300.68 : x
  2. Step 2: Convert to fraction form
    351,192/526,802.74 = 111,300.68/x
  3. Step 3: Cross multiply
    351,192x = 526,802.74 × 111,300.68
  4. Step 4: Simplify right side
    351,192x = 58,633,503,187.86
  5. Step 5: Solve for x
    x = 58,633,503,187.86/351,192
  6. Step 6: Final answer
    x = 166,955.69

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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.