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Finding the Fourth Proportional to 199,411.80, 299,292.66 and 110,765.40

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Solution

The fourth proportional to 199,411.80, 299,292.66 and 110,765.40 is: 166,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,411.80 : 299,292.66 = 110,765.40 : x
  2. Step 2: Convert to fraction form
    199,411.80/299,292.66 = 110,765.40/x
  3. Step 3: Cross multiply
    199,411.80x = 299,292.66 × 110,765.40
  4. Step 4: Simplify right side
    199,411.80x = 33,151,271,201.96
  5. Step 5: Solve for x
    x = 33,151,271,201.96/199,411.80
  6. Step 6: Final answer
    x = 166,245.28

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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.