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Finding the Fourth Proportional to 154,943, 213,857.82 and 94,563.56

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Solution

The fourth proportional to 154,943, 213,857.82 and 94,563.56 is: 130,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,943 : 213,857.82 = 94,563.56 : x
  2. Step 2: Convert to fraction form
    154,943/213,857.82 = 94,563.56/x
  3. Step 3: Cross multiply
    154,943x = 213,857.82 × 94,563.56
  4. Step 4: Simplify right side
    154,943x = 20,223,156,793.04
  5. Step 5: Solve for x
    x = 20,223,156,793.04/154,943
  6. Step 6: Final answer
    x = 130,519.98

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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.