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Finding the Fourth Proportional to 221,924.88, 306,170.28 and 141,337.98

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Solution

The fourth proportional to 221,924.88, 306,170.28 and 141,337.98 is: 194,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,924.88 : 306,170.28 = 141,337.98 : x
  2. Step 2: Convert to fraction form
    221,924.88/306,170.28 = 141,337.98/x
  3. Step 3: Cross multiply
    221,924.88x = 306,170.28 × 141,337.98
  4. Step 4: Simplify right side
    221,924.88x = 43,273,488,911.23
  5. Step 5: Solve for x
    x = 43,273,488,911.23/221,924.88
  6. Step 6: Final answer
    x = 194,991.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.