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Finding the Fourth Proportional to 95,145.98, 131,295.80 and 52,116.89

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Solution

The fourth proportional to 95,145.98, 131,295.80 and 52,116.89 is: 71,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.98 : 131,295.80 = 52,116.89 : x
  2. Step 2: Convert to fraction form
    95,145.98/131,295.80 = 52,116.89/x
  3. Step 3: Cross multiply
    95,145.98x = 131,295.80 × 52,116.89
  4. Step 4: Simplify right side
    95,145.98x = 6,842,727,849.00
  5. Step 5: Solve for x
    x = 6,842,727,849.00/95,145.98
  6. Step 6: Final answer
    x = 71,918.21

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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.