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Finding the Fourth Proportional to 173,511.92, 260,267.88 and 55,183.52

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Solution

The fourth proportional to 173,511.92, 260,267.88 and 55,183.52 is: 82,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,511.92 : 260,267.88 = 55,183.52 : x
  2. Step 2: Convert to fraction form
    173,511.92/260,267.88 = 55,183.52/x
  3. Step 3: Cross multiply
    173,511.92x = 260,267.88 × 55,183.52
  4. Step 4: Simplify right side
    173,511.92x = 14,362,497,761.34
  5. Step 5: Solve for x
    x = 14,362,497,761.34/173,511.92
  6. Step 6: Final answer
    x = 82,775.28

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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.