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Finding the Fourth Proportional to 173,290.60, 260,130.30 and 134,021.80

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Solution

The fourth proportional to 173,290.60, 260,130.30 and 134,021.80 is: 201,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290.60 : 260,130.30 = 134,021.80 : x
  2. Step 2: Convert to fraction form
    173,290.60/260,130.30 = 134,021.80/x
  3. Step 3: Cross multiply
    173,290.60x = 260,130.30 × 134,021.80
  4. Step 4: Simplify right side
    173,290.60x = 34,863,131,040.54
  5. Step 5: Solve for x
    x = 34,863,131,040.54/173,290.60
  6. Step 6: Final answer
    x = 201,183.05

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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.