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Finding the Fourth Proportional to 114,136.80, 171,205.20 and 29,896.80

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Solution

The fourth proportional to 114,136.80, 171,205.20 and 29,896.80 is: 44,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,136.80 : 171,205.20 = 29,896.80 : x
  2. Step 2: Convert to fraction form
    114,136.80/171,205.20 = 29,896.80/x
  3. Step 3: Cross multiply
    114,136.80x = 171,205.20 × 29,896.80
  4. Step 4: Simplify right side
    114,136.80x = 5,118,487,623.36
  5. Step 5: Solve for x
    x = 5,118,487,623.36/114,136.80
  6. Step 6: Final answer
    x = 44,845.20

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1.5x scale

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.