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Finding the Fourth Proportional to 122,940.10, 184,118.55 and 122,940.10

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Solution

The fourth proportional to 122,940.10, 184,118.55 and 122,940.10 is: 184,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,940.10 : 184,118.55 = 122,940.10 : x
  2. Step 2: Convert to fraction form
    122,940.10/184,118.55 = 122,940.10/x
  3. Step 3: Cross multiply
    122,940.10x = 184,118.55 × 122,940.10
  4. Step 4: Simplify right side
    122,940.10x = 22,635,552,948.86
  5. Step 5: Solve for x
    x = 22,635,552,948.86/122,940.10
  6. Step 6: Final answer
    x = 184,118.55

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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.