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Finding the Fourth Proportional to 341,725.80, 512,540.10 and 117,096.60

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Solution

The fourth proportional to 341,725.80, 512,540.10 and 117,096.60 is: 175,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,725.80 : 512,540.10 = 117,096.60 : x
  2. Step 2: Convert to fraction form
    341,725.80/512,540.10 = 117,096.60/x
  3. Step 3: Cross multiply
    341,725.80x = 512,540.10 × 117,096.60
  4. Step 4: Simplify right side
    341,725.80x = 60,016,703,073.66
  5. Step 5: Solve for x
    x = 60,016,703,073.66/341,725.80
  6. Step 6: Final answer
    x = 175,628.25

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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.