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Finding the Fourth Proportional to 173,770.68, 260,676.54 and 55,400.52

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Solution

The fourth proportional to 173,770.68, 260,676.54 and 55,400.52 is: 83,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,770.68 : 260,676.54 = 55,400.52 : x
  2. Step 2: Convert to fraction form
    173,770.68/260,676.54 = 55,400.52/x
  3. Step 3: Cross multiply
    173,770.68x = 260,676.54 × 55,400.52
  4. Step 4: Simplify right side
    173,770.68x = 14,441,615,867.80
  5. Step 5: Solve for x
    x = 14,441,615,867.80/173,770.68
  6. Step 6: Final answer
    x = 83,107.32

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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.