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Finding the Fourth Proportional to 239,187,840.40, 335,769,969.20 and 239,187,840.40

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Solution

The fourth proportional to 239,187,840.40, 335,769,969.20 and 239,187,840.40 is: 335,769,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,187,840.40 : 335,769,969.20 = 239,187,840.40 : x
  2. Step 2: Convert to fraction form
    239,187,840.40/335,769,969.20 = 239,187,840.40/x
  3. Step 3: Cross multiply
    239,187,840.40x = 335,769,969.20 × 239,187,840.40
  4. Step 4: Simplify right side
    239,187,840.40x = 80,312,093,804,122,512
  5. Step 5: Solve for x
    x = 80,312,093,804,122,512/239,187,840.40
  6. Step 6: Final answer
    x = 335,769,969.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.