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Finding the Fourth Proportional to 271,946.48, 375,257.24 and 157,206.94

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Solution

The fourth proportional to 271,946.48, 375,257.24 and 157,206.94 is: 216,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,946.48 : 375,257.24 = 157,206.94 : x
  2. Step 2: Convert to fraction form
    271,946.48/375,257.24 = 157,206.94/x
  3. Step 3: Cross multiply
    271,946.48x = 375,257.24 × 157,206.94
  4. Step 4: Simplify right side
    271,946.48x = 58,993,042,413.25
  5. Step 5: Solve for x
    x = 58,993,042,413.25/271,946.48
  6. Step 6: Final answer
    x = 216,928.87

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1.5x scale

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.