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Finding the Fourth Proportional to 366,992.64, 550,356.86 and 127,041.36

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Solution

The fourth proportional to 366,992.64, 550,356.86 and 127,041.36 is: 190,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,992.64 : 550,356.86 = 127,041.36 : x
  2. Step 2: Convert to fraction form
    366,992.64/550,356.86 = 127,041.36/x
  3. Step 3: Cross multiply
    366,992.64x = 550,356.86 × 127,041.36
  4. Step 4: Simplify right side
    366,992.64x = 69,918,083,979.73
  5. Step 5: Solve for x
    x = 69,918,083,979.73/366,992.64
  6. Step 6: Final answer
    x = 190,516.31

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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.