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Finding the Fourth Proportional to 122,945.40, 184,418.10 and 122,945.40

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Solution

The fourth proportional to 122,945.40, 184,418.10 and 122,945.40 is: 184,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.40 : 184,418.10 = 122,945.40 : x
  2. Step 2: Convert to fraction form
    122,945.40/184,418.10 = 122,945.40/x
  3. Step 3: Cross multiply
    122,945.40x = 184,418.10 × 122,945.40
  4. Step 4: Simplify right side
    122,945.40x = 22,673,357,071.74
  5. Step 5: Solve for x
    x = 22,673,357,071.74/122,945.40
  6. Step 6: Final answer
    x = 184,418.10

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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.