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Finding the Fourth Proportional to 203,878.77, 281,332.11 and 119,045.04

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Solution

The fourth proportional to 203,878.77, 281,332.11 and 119,045.04 is: 164,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,878.77 : 281,332.11 = 119,045.04 : x
  2. Step 2: Convert to fraction form
    203,878.77/281,332.11 = 119,045.04/x
  3. Step 3: Cross multiply
    203,878.77x = 281,332.11 × 119,045.04
  4. Step 4: Simplify right side
    203,878.77x = 33,491,192,288.23
  5. Step 5: Solve for x
    x = 33,491,192,288.23/203,878.77
  6. Step 6: Final answer
    x = 164,270.13

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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.