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Finding the Fourth Proportional to 341,908.38, 512,933.85 and 105,239.34

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Solution

The fourth proportional to 341,908.38, 512,933.85 and 105,239.34 is: 157,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,908.38 : 512,933.85 = 105,239.34 : x
  2. Step 2: Convert to fraction form
    341,908.38/512,933.85 = 105,239.34/x
  3. Step 3: Cross multiply
    341,908.38x = 512,933.85 × 105,239.34
  4. Step 4: Simplify right side
    341,908.38x = 53,980,819,837.66
  5. Step 5: Solve for x
    x = 53,980,819,837.66/341,908.38
  6. Step 6: Final answer
    x = 157,880.95

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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.