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Finding the Fourth Proportional to 223,492.77, 335,236.32 and 55,015.20

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Solution

The fourth proportional to 223,492.77, 335,236.32 and 55,015.20 is: 82,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,492.77 : 335,236.32 = 55,015.20 : x
  2. Step 2: Convert to fraction form
    223,492.77/335,236.32 = 55,015.20/x
  3. Step 3: Cross multiply
    223,492.77x = 335,236.32 × 55,015.20
  4. Step 4: Simplify right side
    223,492.77x = 18,443,093,192.06
  5. Step 5: Solve for x
    x = 18,443,093,192.06/223,492.77
  6. Step 6: Final answer
    x = 82,522.10

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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.