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Finding the Fourth Proportional to 173,408.99, 260,086.35 and 55,064.75

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Solution

The fourth proportional to 173,408.99, 260,086.35 and 55,064.75 is: 82,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.99 : 260,086.35 = 55,064.75 : x
  2. Step 2: Convert to fraction form
    173,408.99/260,086.35 = 55,064.75/x
  3. Step 3: Cross multiply
    173,408.99x = 260,086.35 × 55,064.75
  4. Step 4: Simplify right side
    173,408.99x = 14,321,589,841.16
  5. Step 5: Solve for x
    x = 14,321,589,841.16/173,408.99
  6. Step 6: Final answer
    x = 82,588.51

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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.