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Finding the Fourth Proportional to 186,495.95, 279,745.85 and 149,292.50

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Solution

The fourth proportional to 186,495.95, 279,745.85 and 149,292.50 is: 223,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,495.95 : 279,745.85 = 149,292.50 : x
  2. Step 2: Convert to fraction form
    186,495.95/279,745.85 = 149,292.50/x
  3. Step 3: Cross multiply
    186,495.95x = 279,745.85 × 149,292.50
  4. Step 4: Simplify right side
    186,495.95x = 41,763,957,311.13
  5. Step 5: Solve for x
    x = 41,763,957,311.13/186,495.95
  6. Step 6: Final answer
    x = 223,940.29

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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.