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Finding the Fourth Proportional to 203,007.36, 304,509.68 and 158,671.41

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Solution

The fourth proportional to 203,007.36, 304,509.68 and 158,671.41 is: 238,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,007.36 : 304,509.68 = 158,671.41 : x
  2. Step 2: Convert to fraction form
    203,007.36/304,509.68 = 158,671.41/x
  3. Step 3: Cross multiply
    203,007.36x = 304,509.68 × 158,671.41
  4. Step 4: Simplify right side
    203,007.36x = 48,316,978,944.00
  5. Step 5: Solve for x
    x = 48,316,978,944.00/203,007.36
  6. Step 6: Final answer
    x = 238,006.04

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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.