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Finding the Fourth Proportional to 300,563.91, 450,875.93 and 111,074.04

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Solution

The fourth proportional to 300,563.91, 450,875.93 and 111,074.04 is: 166,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,563.91 : 450,875.93 = 111,074.04 : x
  2. Step 2: Convert to fraction form
    300,563.91/450,875.93 = 111,074.04/x
  3. Step 3: Cross multiply
    300,563.91x = 450,875.93 × 111,074.04
  4. Step 4: Simplify right side
    300,563.91x = 50,080,610,528.49
  5. Step 5: Solve for x
    x = 50,080,610,528.49/300,563.91
  6. Step 6: Final answer
    x = 166,622.17

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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.