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Finding the Fourth Proportional to 131,446.20, 184,374.60 and 131,446.20

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Solution

The fourth proportional to 131,446.20, 184,374.60 and 131,446.20 is: 184,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.20 : 184,374.60 = 131,446.20 : x
  2. Step 2: Convert to fraction form
    131,446.20/184,374.60 = 131,446.20/x
  3. Step 3: Cross multiply
    131,446.20x = 184,374.60 × 131,446.20
  4. Step 4: Simplify right side
    131,446.20x = 24,235,340,546.52
  5. Step 5: Solve for x
    x = 24,235,340,546.52/131,446.20
  6. Step 6: Final answer
    x = 184,374.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.