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Finding the Fourth Proportional to 351,273.66, 526,911.84 and 85,033.74

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Solution

The fourth proportional to 351,273.66, 526,911.84 and 85,033.74 is: 127,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,273.66 : 526,911.84 = 85,033.74 : x
  2. Step 2: Convert to fraction form
    351,273.66/526,911.84 = 85,033.74/x
  3. Step 3: Cross multiply
    351,273.66x = 526,911.84 × 85,033.74
  4. Step 4: Simplify right side
    351,273.66x = 44,805,284,405.48
  5. Step 5: Solve for x
    x = 44,805,284,405.48/351,273.66
  6. Step 6: Final answer
    x = 127,550.94

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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.