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Finding the Fourth Proportional to 173,346.80, 259,890.60 and 73,425.20

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Solution

The fourth proportional to 173,346.80, 259,890.60 and 73,425.20 is: 110,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,346.80 : 259,890.60 = 73,425.20 : x
  2. Step 2: Convert to fraction form
    173,346.80/259,890.60 = 73,425.20/x
  3. Step 3: Cross multiply
    173,346.80x = 259,890.60 × 73,425.20
  4. Step 4: Simplify right side
    173,346.80x = 19,082,519,283.12
  5. Step 5: Solve for x
    x = 19,082,519,283.12/173,346.80
  6. Step 6: Final answer
    x = 110,082.90

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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.