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Finding the Fourth Proportional to 85,888, 118,525.44 and 48,162.25

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Solution

The fourth proportional to 85,888, 118,525.44 and 48,162.25 is: 66,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,888 : 118,525.44 = 48,162.25 : x
  2. Step 2: Convert to fraction form
    85,888/118,525.44 = 48,162.25/x
  3. Step 3: Cross multiply
    85,888x = 118,525.44 × 48,162.25
  4. Step 4: Simplify right side
    85,888x = 5,708,451,872.64
  5. Step 5: Solve for x
    x = 5,708,451,872.64/85,888
  6. Step 6: Final answer
    x = 66,463.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.