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Finding the Fourth Proportional to 173,745.21, 260,451.36 and 55,339.83

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Solution

The fourth proportional to 173,745.21, 260,451.36 and 55,339.83 is: 82,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,745.21 : 260,451.36 = 55,339.83 : x
  2. Step 2: Convert to fraction form
    173,745.21/260,451.36 = 55,339.83/x
  3. Step 3: Cross multiply
    173,745.21x = 260,451.36 × 55,339.83
  4. Step 4: Simplify right side
    173,745.21x = 14,413,333,985.67
  5. Step 5: Solve for x
    x = 14,413,333,985.67/173,745.21
  6. Step 6: Final answer
    x = 82,956.73

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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.