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Finding the Fourth Proportional to 295,701.75, 408,069.05 and 168,377.45

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Solution

The fourth proportional to 295,701.75, 408,069.05 and 168,377.45 is: 232,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,701.75 : 408,069.05 = 168,377.45 : x
  2. Step 2: Convert to fraction form
    295,701.75/408,069.05 = 168,377.45/x
  3. Step 3: Cross multiply
    295,701.75x = 408,069.05 × 168,377.45
  4. Step 4: Simplify right side
    295,701.75x = 68,709,623,180.69
  5. Step 5: Solve for x
    x = 68,709,623,180.69/295,701.75
  6. Step 6: Final answer
    x = 232,361.23

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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.