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Finding the Fourth Proportional to 95,136, 131,287.68 and 52,697.27

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Solution

The fourth proportional to 95,136, 131,287.68 and 52,697.27 is: 72,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136 : 131,287.68 = 52,697.27 : x
  2. Step 2: Convert to fraction form
    95,136/131,287.68 = 52,697.27/x
  3. Step 3: Cross multiply
    95,136x = 131,287.68 × 52,697.27
  4. Step 4: Simplify right side
    95,136x = 6,918,501,664.20
  5. Step 5: Solve for x
    x = 6,918,501,664.20/95,136
  6. Step 6: Final answer
    x = 72,722.23

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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.