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Finding the Fourth Proportional to 235,656.54, 353,431.55 and 67,173.23

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Solution

The fourth proportional to 235,656.54, 353,431.55 and 67,173.23 is: 100,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,656.54 : 353,431.55 = 67,173.23 : x
  2. Step 2: Convert to fraction form
    235,656.54/353,431.55 = 67,173.23/x
  3. Step 3: Cross multiply
    235,656.54x = 353,431.55 × 67,173.23
  4. Step 4: Simplify right side
    235,656.54x = 23,741,139,848.92
  5. Step 5: Solve for x
    x = 23,741,139,848.92/235,656.54
  6. Step 6: Final answer
    x = 100,744.67

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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.