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Finding the Fourth Proportional to 233,449.76, 350,283.99 and 115,056.56

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Solution

The fourth proportional to 233,449.76, 350,283.99 and 115,056.56 is: 172,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,449.76 : 350,283.99 = 115,056.56 : x
  2. Step 2: Convert to fraction form
    233,449.76/350,283.99 = 115,056.56/x
  3. Step 3: Cross multiply
    233,449.76x = 350,283.99 × 115,056.56
  4. Step 4: Simplify right side
    233,449.76x = 40,302,470,912.47
  5. Step 5: Solve for x
    x = 40,302,470,912.47/233,449.76
  6. Step 6: Final answer
    x = 172,638.73

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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.