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Finding the Fourth Proportional to 235,093.69, 324,449.50 and 133,137.12

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Solution

The fourth proportional to 235,093.69, 324,449.50 and 133,137.12 is: 183,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,093.69 : 324,449.50 = 133,137.12 : x
  2. Step 2: Convert to fraction form
    235,093.69/324,449.50 = 133,137.12/x
  3. Step 3: Cross multiply
    235,093.69x = 324,449.50 × 133,137.12
  4. Step 4: Simplify right side
    235,093.69x = 43,196,271,323.89
  5. Step 5: Solve for x
    x = 43,196,271,323.89/235,093.69
  6. Step 6: Final answer
    x = 183,740.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.