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Finding the Fourth Proportional to 184,522.70, 276,784.05 and 139,907.90

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Solution

The fourth proportional to 184,522.70, 276,784.05 and 139,907.90 is: 209,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,522.70 : 276,784.05 = 139,907.90 : x
  2. Step 2: Convert to fraction form
    184,522.70/276,784.05 = 139,907.90/x
  3. Step 3: Cross multiply
    184,522.70x = 276,784.05 × 139,907.90
  4. Step 4: Simplify right side
    184,522.70x = 38,724,275,189.00
  5. Step 5: Solve for x
    x = 38,724,275,189.00/184,522.70
  6. Step 6: Final answer
    x = 209,861.85

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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.