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Finding the Fourth Proportional to 95,185, 131,174.22 and 69,699.16

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Solution

The fourth proportional to 95,185, 131,174.22 and 69,699.16 is: 96,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,185 : 131,174.22 = 69,699.16 : x
  2. Step 2: Convert to fraction form
    95,185/131,174.22 = 69,699.16/x
  3. Step 3: Cross multiply
    95,185x = 131,174.22 × 69,699.16
  4. Step 4: Simplify right side
    95,185x = 9,142,732,947.66
  5. Step 5: Solve for x
    x = 9,142,732,947.66/95,185
  6. Step 6: Final answer
    x = 96,052.25

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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.