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Finding the Fourth Proportional to 268,600.69, 370,661.11 and 147,741.94

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Solution

The fourth proportional to 268,600.69, 370,661.11 and 147,741.94 is: 203,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,600.69 : 370,661.11 = 147,741.94 : x
  2. Step 2: Convert to fraction form
    268,600.69/370,661.11 = 147,741.94/x
  3. Step 3: Cross multiply
    268,600.69x = 370,661.11 × 147,741.94
  4. Step 4: Simplify right side
    268,600.69x = 54,762,191,473.95
  5. Step 5: Solve for x
    x = 54,762,191,473.95/268,600.69
  6. Step 6: Final answer
    x = 203,879.56

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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.