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Finding the Fourth Proportional to 95,893.60, 143,786.40 and 36,731.20

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Solution

The fourth proportional to 95,893.60, 143,786.40 and 36,731.20 is: 55,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,893.60 : 143,786.40 = 36,731.20 : x
  2. Step 2: Convert to fraction form
    95,893.60/143,786.40 = 36,731.20/x
  3. Step 3: Cross multiply
    95,893.60x = 143,786.40 × 36,731.20
  4. Step 4: Simplify right side
    95,893.60x = 5,281,447,015.68
  5. Step 5: Solve for x
    x = 5,281,447,015.68/95,893.60
  6. Step 6: Final answer
    x = 55,076.12

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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.