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Finding the Fourth Proportional to 204,597.92, 282,315.72 and 113,941.28

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Solution

The fourth proportional to 204,597.92, 282,315.72 and 113,941.28 is: 157,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,597.92 : 282,315.72 = 113,941.28 : x
  2. Step 2: Convert to fraction form
    204,597.92/282,315.72 = 113,941.28/x
  3. Step 3: Cross multiply
    204,597.92x = 282,315.72 × 113,941.28
  4. Step 4: Simplify right side
    204,597.92x = 32,167,414,500.92
  5. Step 5: Solve for x
    x = 32,167,414,500.92/204,597.92
  6. Step 6: Final answer
    x = 157,222.59

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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.