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Finding the Fourth Proportional to 268,804.55, 370,947.44 and 147,943.23

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Solution

The fourth proportional to 268,804.55, 370,947.44 and 147,943.23 is: 204,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,804.55 : 370,947.44 = 147,943.23 : x
  2. Step 2: Convert to fraction form
    268,804.55/370,947.44 = 147,943.23/x
  3. Step 3: Cross multiply
    268,804.55x = 370,947.44 × 147,943.23
  4. Step 4: Simplify right side
    268,804.55x = 54,879,161,694.12
  5. Step 5: Solve for x
    x = 54,879,161,694.12/268,804.55
  6. Step 6: Final answer
    x = 204,160.10

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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.