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Finding the Fourth Proportional to 235,094.69, 324,450.88 and 133,138.12

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Solution

The fourth proportional to 235,094.69, 324,450.88 and 133,138.12 is: 183,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,094.69 : 324,450.88 = 133,138.12 : x
  2. Step 2: Convert to fraction form
    235,094.69/324,450.88 = 133,138.12/x
  3. Step 3: Cross multiply
    235,094.69x = 324,450.88 × 133,138.12
  4. Step 4: Simplify right side
    235,094.69x = 43,196,780,195.55
  5. Step 5: Solve for x
    x = 43,196,780,195.55/235,094.69
  6. Step 6: Final answer
    x = 183,742.05

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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.