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Finding the Fourth Proportional to 122,912,649.60, 184,368,974.40 and 122,912,649.60

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Solution

The fourth proportional to 122,912,649.60, 184,368,974.40 and 122,912,649.60 is: 184,368,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912,649.60 : 184,368,974.40 = 122,912,649.60 : x
  2. Step 2: Convert to fraction form
    122,912,649.60/184,368,974.40 = 122,912,649.60/x
  3. Step 3: Cross multiply
    122,912,649.60x = 184,368,974.40 × 122,912,649.60
  4. Step 4: Simplify right side
    122,912,649.60x = 22,661,279,147,538,568
  5. Step 5: Solve for x
    x = 22,661,279,147,538,568/122,912,649.60
  6. Step 6: Final answer
    x = 184,368,974.40

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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.