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Finding the Fourth Proportional to 247,601.06, 371,155.54 and 147,611.42

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Solution

The fourth proportional to 247,601.06, 371,155.54 and 147,611.42 is: 221,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,601.06 : 371,155.54 = 147,611.42 : x
  2. Step 2: Convert to fraction form
    247,601.06/371,155.54 = 147,611.42/x
  3. Step 3: Cross multiply
    247,601.06x = 371,155.54 × 147,611.42
  4. Step 4: Simplify right side
    247,601.06x = 54,786,796,300.27
  5. Step 5: Solve for x
    x = 54,786,796,300.27/247,601.06
  6. Step 6: Final answer
    x = 221,270.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.