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Finding the Fourth Proportional to 263,652.84, 363,856.86 and 161,690.04

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Solution

The fourth proportional to 263,652.84, 363,856.86 and 161,690.04 is: 223,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,652.84 : 363,856.86 = 161,690.04 : x
  2. Step 2: Convert to fraction form
    263,652.84/363,856.86 = 161,690.04/x
  3. Step 3: Cross multiply
    263,652.84x = 363,856.86 × 161,690.04
  4. Step 4: Simplify right side
    263,652.84x = 58,832,030,247.67
  5. Step 5: Solve for x
    x = 58,832,030,247.67/263,652.84
  6. Step 6: Final answer
    x = 223,142.03

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Why These Related Problems?

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