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Finding the Fourth Proportional to 268,675.85, 370,772.66 and 147,814.54

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Solution

The fourth proportional to 268,675.85, 370,772.66 and 147,814.54 is: 203,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,675.85 : 370,772.66 = 147,814.54 : x
  2. Step 2: Convert to fraction form
    268,675.85/370,772.66 = 147,814.54/x
  3. Step 3: Cross multiply
    268,675.85x = 370,772.66 × 147,814.54
  4. Step 4: Simplify right side
    268,675.85x = 54,805,590,879.22
  5. Step 5: Solve for x
    x = 54,805,590,879.22/268,675.85
  6. Step 6: Final answer
    x = 203,984.06

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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.