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Finding the Fourth Proportional to 127,795,295.80, 191,692,943.70 and 127,795,295.80

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Solution

The fourth proportional to 127,795,295.80, 191,692,943.70 and 127,795,295.80 is: 191,692,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795,295.80 : 191,692,943.70 = 127,795,295.80 : x
  2. Step 2: Convert to fraction form
    127,795,295.80/191,692,943.70 = 127,795,295.80/x
  3. Step 3: Cross multiply
    127,795,295.80x = 191,692,943.70 × 127,795,295.80
  4. Step 4: Simplify right side
    127,795,295.80x = 24,497,456,442,914,244
  5. Step 5: Solve for x
    x = 24,497,456,442,914,244/127,795,295.80
  6. Step 6: Final answer
    x = 191,692,943.70

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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.