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Finding the Fourth Proportional to 143,606.64, 215,219.88 and 110,199

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Solution

The fourth proportional to 143,606.64, 215,219.88 and 110,199 is: 165,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,606.64 : 215,219.88 = 110,199 : x
  2. Step 2: Convert to fraction form
    143,606.64/215,219.88 = 110,199/x
  3. Step 3: Cross multiply
    143,606.64x = 215,219.88 × 110,199
  4. Step 4: Simplify right side
    143,606.64x = 23,717,015,556.12
  5. Step 5: Solve for x
    x = 23,717,015,556.12/143,606.64
  6. Step 6: Final answer
    x = 165,152.64

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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.