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Finding the Fourth Proportional to 158,193,003.90, 221,621,370.90 and 158,193,003.90

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Solution

The fourth proportional to 158,193,003.90, 221,621,370.90 and 158,193,003.90 is: 221,621,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,193,003.90 : 221,621,370.90 = 158,193,003.90 : x
  2. Step 2: Convert to fraction form
    158,193,003.90/221,621,370.90 = 158,193,003.90/x
  3. Step 3: Cross multiply
    158,193,003.90x = 221,621,370.90 × 158,193,003.90
  4. Step 4: Simplify right side
    158,193,003.90x = 35,058,950,391,107,048
  5. Step 5: Solve for x
    x = 35,058,950,391,107,048/158,193,003.90
  6. Step 6: Final answer
    x = 221,621,370.90

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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.