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Finding the Fourth Proportional to 325,409.06, 488,122.23 and 103,793.06

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Solution

The fourth proportional to 325,409.06, 488,122.23 and 103,793.06 is: 155,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,409.06 : 488,122.23 = 103,793.06 : x
  2. Step 2: Convert to fraction form
    325,409.06/488,122.23 = 103,793.06/x
  3. Step 3: Cross multiply
    325,409.06x = 488,122.23 × 103,793.06
  4. Step 4: Simplify right side
    325,409.06x = 50,663,701,515.25
  5. Step 5: Solve for x
    x = 50,663,701,515.25/325,409.06
  6. Step 6: Final answer
    x = 155,692.35

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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.