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Finding the Fourth Proportional to 273,951,652.37, 378,053,784.88 and 148,503,460.25

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Solution

The fourth proportional to 273,951,652.37, 378,053,784.88 and 148,503,460.25 is: 204,935,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,951,652.37 : 378,053,784.88 = 148,503,460.25 : x
  2. Step 2: Convert to fraction form
    273,951,652.37/378,053,784.88 = 148,503,460.25/x
  3. Step 3: Cross multiply
    273,951,652.37x = 378,053,784.88 × 148,503,460.25
  4. Step 4: Simplify right side
    273,951,652.37x = 56,142,295,215,863,008
  5. Step 5: Solve for x
    x = 56,142,295,215,863,008/273,951,652.37
  6. Step 6: Final answer
    x = 204,935,048.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.