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Finding the Fourth Proportional to 299,563.24, 449,390.94 and 112,587.88

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Solution

The fourth proportional to 299,563.24, 449,390.94 and 112,587.88 is: 168,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,563.24 : 449,390.94 = 112,587.88 : x
  2. Step 2: Convert to fraction form
    299,563.24/449,390.94 = 112,587.88/x
  3. Step 3: Cross multiply
    299,563.24x = 449,390.94 × 112,587.88
  4. Step 4: Simplify right side
    299,563.24x = 50,595,973,225.81
  5. Step 5: Solve for x
    x = 50,595,973,225.81/299,563.24
  6. Step 6: Final answer
    x = 168,899.14

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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.