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Finding the Fourth Proportional to 228,322.19, 342,563.24 and 70,550.64

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Solution

The fourth proportional to 228,322.19, 342,563.24 and 70,550.64 is: 105,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,322.19 : 342,563.24 = 70,550.64 : x
  2. Step 2: Convert to fraction form
    228,322.19/342,563.24 = 70,550.64/x
  3. Step 3: Cross multiply
    228,322.19x = 342,563.24 × 70,550.64
  4. Step 4: Simplify right side
    228,322.19x = 24,168,055,469.72
  5. Step 5: Solve for x
    x = 24,168,055,469.72/228,322.19
  6. Step 6: Final answer
    x = 105,850.67

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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.