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Finding the Fourth Proportional to 154,958.60, 232,361.06 and 55,103.76

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Solution

The fourth proportional to 154,958.60, 232,361.06 and 55,103.76 is: 82,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,958.60 : 232,361.06 = 55,103.76 : x
  2. Step 2: Convert to fraction form
    154,958.60/232,361.06 = 55,103.76/x
  3. Step 3: Cross multiply
    154,958.60x = 232,361.06 × 55,103.76
  4. Step 4: Simplify right side
    154,958.60x = 12,803,968,083.59
  5. Step 5: Solve for x
    x = 12,803,968,083.59/154,958.60
  6. Step 6: Final answer
    x = 82,628.32

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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.