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Finding the Fourth Proportional to 252,007,578, 347,770,692 and 136,114,074

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Solution

The fourth proportional to 252,007,578, 347,770,692 and 136,114,074 is: 187,837,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,007,578 : 347,770,692 = 136,114,074 : x
  2. Step 2: Convert to fraction form
    252,007,578/347,770,692 = 136,114,074/x
  3. Step 3: Cross multiply
    252,007,578x = 347,770,692 × 136,114,074
  4. Step 4: Simplify right side
    252,007,578x = 47,336,485,705,919,208
  5. Step 5: Solve for x
    x = 47,336,485,705,919,208/252,007,578
  6. Step 6: Final answer
    x = 187,837,548.70

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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.