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Finding the Fourth Proportional to 203,371.96, 280,558.38 and 127,962.04

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Solution

The fourth proportional to 203,371.96, 280,558.38 and 127,962.04 is: 176,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,371.96 : 280,558.38 = 127,962.04 : x
  2. Step 2: Convert to fraction form
    203,371.96/280,558.38 = 127,962.04/x
  3. Step 3: Cross multiply
    203,371.96x = 280,558.38 × 127,962.04
  4. Step 4: Simplify right side
    203,371.96x = 35,900,822,643.90
  5. Step 5: Solve for x
    x = 35,900,822,643.90/203,371.96
  6. Step 6: Final answer
    x = 176,527.89

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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.