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Finding the Fourth Proportional to 131,431.10, 184,470.10 and 131,431.10

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Solution

The fourth proportional to 131,431.10, 184,470.10 and 131,431.10 is: 184,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,431.10 : 184,470.10 = 131,431.10 : x
  2. Step 2: Convert to fraction form
    131,431.10/184,470.10 = 131,431.10/x
  3. Step 3: Cross multiply
    131,431.10x = 184,470.10 × 131,431.10
  4. Step 4: Simplify right side
    131,431.10x = 24,245,108,160.11
  5. Step 5: Solve for x
    x = 24,245,108,160.11/131,431.10
  6. Step 6: Final answer
    x = 184,470.10

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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.