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Finding the Fourth Proportional to 183,863.70, 275,795.55 and 130,986.90

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Solution

The fourth proportional to 183,863.70, 275,795.55 and 130,986.90 is: 196,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,863.70 : 275,795.55 = 130,986.90 : x
  2. Step 2: Convert to fraction form
    183,863.70/275,795.55 = 130,986.90/x
  3. Step 3: Cross multiply
    183,863.70x = 275,795.55 × 130,986.90
  4. Step 4: Simplify right side
    183,863.70x = 36,125,604,128.30
  5. Step 5: Solve for x
    x = 36,125,604,128.30/183,863.70
  6. Step 6: Final answer
    x = 196,480.35

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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.