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Finding the Fourth Proportional to 301,351.04, 451,862.52 and 90,961.64

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Solution

The fourth proportional to 301,351.04, 451,862.52 and 90,961.64 is: 136,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,351.04 : 451,862.52 = 90,961.64 : x
  2. Step 2: Convert to fraction form
    301,351.04/451,862.52 = 90,961.64/x
  3. Step 3: Cross multiply
    301,351.04x = 451,862.52 × 90,961.64
  4. Step 4: Simplify right side
    301,351.04x = 41,102,155,873.73
  5. Step 5: Solve for x
    x = 41,102,155,873.73/301,351.04
  6. Step 6: Final answer
    x = 136,392.95

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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.