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Finding the Fourth Proportional to 107,361.64, 160,899.90 and 48,186.28

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Solution

The fourth proportional to 107,361.64, 160,899.90 and 48,186.28 is: 72,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,361.64 : 160,899.90 = 48,186.28 : x
  2. Step 2: Convert to fraction form
    107,361.64/160,899.90 = 48,186.28/x
  3. Step 3: Cross multiply
    107,361.64x = 160,899.90 × 48,186.28
  4. Step 4: Simplify right side
    107,361.64x = 7,753,167,633.37
  5. Step 5: Solve for x
    x = 7,753,167,633.37/107,361.64
  6. Step 6: Final answer
    x = 72,215.44

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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.