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Finding the Fourth Proportional to 245,940.30, 368,932.01 and 75,200.54

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Solution

The fourth proportional to 245,940.30, 368,932.01 and 75,200.54 is: 112,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,940.30 : 368,932.01 = 75,200.54 : x
  2. Step 2: Convert to fraction form
    245,940.30/368,932.01 = 75,200.54/x
  3. Step 3: Cross multiply
    245,940.30x = 368,932.01 × 75,200.54
  4. Step 4: Simplify right side
    245,940.30x = 27,743,884,154.62
  5. Step 5: Solve for x
    x = 27,743,884,154.62/245,940.30
  6. Step 6: Final answer
    x = 112,807.39

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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.