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Finding the Fourth Proportional to 268,675.25, 370,771.83 and 147,813.95

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Solution

The fourth proportional to 268,675.25, 370,771.83 and 147,813.95 is: 203,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,675.25 : 370,771.83 = 147,813.95 : x
  2. Step 2: Convert to fraction form
    268,675.25/370,771.83 = 147,813.95/x
  3. Step 3: Cross multiply
    268,675.25x = 370,771.83 × 147,813.95
  4. Step 4: Simplify right side
    268,675.25x = 54,805,246,887.17
  5. Step 5: Solve for x
    x = 54,805,246,887.17/268,675.25
  6. Step 6: Final answer
    x = 203,983.24

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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.