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Finding the Fourth Proportional to 173,887.37, 260,845.64 and 55,556.09

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Solution

The fourth proportional to 173,887.37, 260,845.64 and 55,556.09 is: 83,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,887.37 : 260,845.64 = 55,556.09 : x
  2. Step 2: Convert to fraction form
    173,887.37/260,845.64 = 55,556.09/x
  3. Step 3: Cross multiply
    173,887.37x = 260,845.64 × 55,556.09
  4. Step 4: Simplify right side
    173,887.37x = 14,491,563,851.95
  5. Step 5: Solve for x
    x = 14,491,563,851.95/173,887.37
  6. Step 6: Final answer
    x = 83,338.79

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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.