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Finding the Fourth Proportional to 236,065.16, 354,166.86 and 69,857.48

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Solution

The fourth proportional to 236,065.16, 354,166.86 and 69,857.48 is: 104,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,065.16 : 354,166.86 = 69,857.48 : x
  2. Step 2: Convert to fraction form
    236,065.16/354,166.86 = 69,857.48/x
  3. Step 3: Cross multiply
    236,065.16x = 354,166.86 × 69,857.48
  4. Step 4: Simplify right side
    236,065.16x = 24,741,204,339.11
  5. Step 5: Solve for x
    x = 24,741,204,339.11/236,065.16
  6. Step 6: Final answer
    x = 104,806.67

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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.