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Finding the Fourth Proportional to 171,956,869, 237,300,494.22 and 93,640,399

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Solution

The fourth proportional to 171,956,869, 237,300,494.22 and 93,640,399 is: 129,223,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,956,869 : 237,300,494.22 = 93,640,399 : x
  2. Step 2: Convert to fraction form
    171,956,869/237,300,494.22 = 93,640,399/x
  3. Step 3: Cross multiply
    171,956,869x = 237,300,494.22 × 93,640,399
  4. Step 4: Simplify right side
    171,956,869x = 22,220,912,961,657,992
  5. Step 5: Solve for x
    x = 22,220,912,961,657,992/171,956,869
  6. Step 6: Final answer
    x = 129,223,758.79

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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.