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Finding the Fourth Proportional to 173,408.35, 260,129.85 and 47,050.60

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Solution

The fourth proportional to 173,408.35, 260,129.85 and 47,050.60 is: 70,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.35 : 260,129.85 = 47,050.60 : x
  2. Step 2: Convert to fraction form
    173,408.35/260,129.85 = 47,050.60/x
  3. Step 3: Cross multiply
    173,408.35x = 260,129.85 × 47,050.60
  4. Step 4: Simplify right side
    173,408.35x = 12,239,265,520.41
  5. Step 5: Solve for x
    x = 12,239,265,520.41/173,408.35
  6. Step 6: Final answer
    x = 70,580.60

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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.