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Finding the Fourth Proportional to 340,149.75, 510,229.53 and 118,533.75

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Solution

The fourth proportional to 340,149.75, 510,229.53 and 118,533.75 is: 177,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,149.75 : 510,229.53 = 118,533.75 : x
  2. Step 2: Convert to fraction form
    340,149.75/510,229.53 = 118,533.75/x
  3. Step 3: Cross multiply
    340,149.75x = 510,229.53 × 118,533.75
  4. Step 4: Simplify right side
    340,149.75x = 60,479,419,551.64
  5. Step 5: Solve for x
    x = 60,479,419,551.64/340,149.75
  6. Step 6: Final answer
    x = 177,802.33

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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.