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Finding the Fourth Proportional to 173,149.60, 259,918.80 and 133,880.80

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Solution

The fourth proportional to 173,149.60, 259,918.80 and 133,880.80 is: 200,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,149.60 : 259,918.80 = 133,880.80 : x
  2. Step 2: Convert to fraction form
    173,149.60/259,918.80 = 133,880.80/x
  3. Step 3: Cross multiply
    173,149.60x = 259,918.80 × 133,880.80
  4. Step 4: Simplify right side
    173,149.60x = 34,798,136,879.04
  5. Step 5: Solve for x
    x = 34,798,136,879.04/173,149.60
  6. Step 6: Final answer
    x = 200,971.51

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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.