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Finding the Fourth Proportional to 351,224.25, 526,817.81 and 98,522.27

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Solution

The fourth proportional to 351,224.25, 526,817.81 and 98,522.27 is: 147,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,224.25 : 526,817.81 = 98,522.27 : x
  2. Step 2: Convert to fraction form
    351,224.25/526,817.81 = 98,522.27/x
  3. Step 3: Cross multiply
    351,224.25x = 526,817.81 × 98,522.27
  4. Step 4: Simplify right side
    351,224.25x = 51,903,288,080.98
  5. Step 5: Solve for x
    x = 51,903,288,080.98/351,224.25
  6. Step 6: Final answer
    x = 147,778.20

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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.