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Finding the Fourth Proportional to 269,544.76, 371,965.20 and 148,683.40

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Solution

The fourth proportional to 269,544.76, 371,965.20 and 148,683.40 is: 205,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,544.76 : 371,965.20 = 148,683.40 : x
  2. Step 2: Convert to fraction form
    269,544.76/371,965.20 = 148,683.40/x
  3. Step 3: Cross multiply
    269,544.76x = 371,965.20 × 148,683.40
  4. Step 4: Simplify right side
    269,544.76x = 55,305,050,617.68
  5. Step 5: Solve for x
    x = 55,305,050,617.68/269,544.76
  6. Step 6: Final answer
    x = 205,179.47

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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.