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Finding the Fourth Proportional to 300,570.66, 450,886.10 and 111,080.84

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Solution

The fourth proportional to 300,570.66, 450,886.10 and 111,080.84 is: 166,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,570.66 : 450,886.10 = 111,080.84 : x
  2. Step 2: Convert to fraction form
    300,570.66/450,886.10 = 111,080.84/x
  3. Step 3: Cross multiply
    300,570.66x = 450,886.10 × 111,080.84
  4. Step 4: Simplify right side
    300,570.66x = 50,084,803,922.49
  5. Step 5: Solve for x
    x = 50,084,803,922.49/300,570.66
  6. Step 6: Final answer
    x = 166,632.38

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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.