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Finding the Fourth Proportional to 95,969.61, 144,003.02 and 64,739.25

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Solution

The fourth proportional to 95,969.61, 144,003.02 and 64,739.25 is: 97,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.61 : 144,003.02 = 64,739.25 : x
  2. Step 2: Convert to fraction form
    95,969.61/144,003.02 = 64,739.25/x
  3. Step 3: Cross multiply
    95,969.61x = 144,003.02 × 64,739.25
  4. Step 4: Simplify right side
    95,969.61x = 9,322,647,188.84
  5. Step 5: Solve for x
    x = 9,322,647,188.84/95,969.61
  6. Step 6: Final answer
    x = 97,141.66

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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.