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Finding the Fourth Proportional to 136,451.20, 204,662.56 and 36,622.08

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Solution

The fourth proportional to 136,451.20, 204,662.56 and 36,622.08 is: 54,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,451.20 : 204,662.56 = 36,622.08 : x
  2. Step 2: Convert to fraction form
    136,451.20/204,662.56 = 36,622.08/x
  3. Step 3: Cross multiply
    136,451.20x = 204,662.56 × 36,622.08
  4. Step 4: Simplify right side
    136,451.20x = 7,495,168,645.32
  5. Step 5: Solve for x
    x = 7,495,168,645.32/136,451.20
  6. Step 6: Final answer
    x = 54,929.30

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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.