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Finding the Fourth Proportional to 234,038.53, 350,844.54 and 84,243.61

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Solution

The fourth proportional to 234,038.53, 350,844.54 and 84,243.61 is: 126,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,038.53 : 350,844.54 = 84,243.61 : x
  2. Step 2: Convert to fraction form
    234,038.53/350,844.54 = 84,243.61/x
  3. Step 3: Cross multiply
    234,038.53x = 350,844.54 × 84,243.61
  4. Step 4: Simplify right side
    234,038.53x = 29,556,410,598.39
  5. Step 5: Solve for x
    x = 29,556,410,598.39/234,038.53
  6. Step 6: Final answer
    x = 126,288.65

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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.