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Finding the Fourth Proportional to 233,419.40, 349,725.90 and 108,504.20

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Solution

The fourth proportional to 233,419.40, 349,725.90 and 108,504.20 is: 162,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,419.40 : 349,725.90 = 108,504.20 : x
  2. Step 2: Convert to fraction form
    233,419.40/349,725.90 = 108,504.20/x
  3. Step 3: Cross multiply
    233,419.40x = 349,725.90 × 108,504.20
  4. Step 4: Simplify right side
    233,419.40x = 37,946,728,998.78
  5. Step 5: Solve for x
    x = 37,946,728,998.78/233,419.40
  6. Step 6: Final answer
    x = 162,568.87

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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.