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Finding the Fourth Proportional to 245,701.69, 368,554.56 and 68,222.52

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Solution

The fourth proportional to 245,701.69, 368,554.56 and 68,222.52 is: 102,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,701.69 : 368,554.56 = 68,222.52 : x
  2. Step 2: Convert to fraction form
    245,701.69/368,554.56 = 68,222.52/x
  3. Step 3: Cross multiply
    245,701.69x = 368,554.56 × 68,222.52
  4. Step 4: Simplify right side
    245,701.69x = 25,143,720,584.86
  5. Step 5: Solve for x
    x = 25,143,720,584.86/245,701.69
  6. Step 6: Final answer
    x = 102,334.34

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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.