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Finding the Fourth Proportional to 308,336.55, 462,136.68 and 158,648.55

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Solution

The fourth proportional to 308,336.55, 462,136.68 and 158,648.55 is: 237,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,336.55 : 462,136.68 = 158,648.55 : x
  2. Step 2: Convert to fraction form
    308,336.55/462,136.68 = 158,648.55/x
  3. Step 3: Cross multiply
    308,336.55x = 462,136.68 × 158,648.55
  4. Step 4: Simplify right side
    308,336.55x = 73,317,314,183.81
  5. Step 5: Solve for x
    x = 73,317,314,183.81/308,336.55
  6. Step 6: Final answer
    x = 237,783.40

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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.