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Finding the Fourth Proportional to 269,287.45, 371,599.78 and 148,422.08

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Solution

The fourth proportional to 269,287.45, 371,599.78 and 148,422.08 is: 204,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,287.45 : 371,599.78 = 148,422.08 : x
  2. Step 2: Convert to fraction form
    269,287.45/371,599.78 = 148,422.08/x
  3. Step 3: Cross multiply
    269,287.45x = 371,599.78 × 148,422.08
  4. Step 4: Simplify right side
    269,287.45x = 55,153,612,275.14
  5. Step 5: Solve for x
    x = 55,153,612,275.14/269,287.45
  6. Step 6: Final answer
    x = 204,813.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.