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Finding the Fourth Proportional to 95,136.60, 131,290.64 and 54,299.91

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Solution

The fourth proportional to 95,136.60, 131,290.64 and 54,299.91 is: 74,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.60 : 131,290.64 = 54,299.91 : x
  2. Step 2: Convert to fraction form
    95,136.60/131,290.64 = 54,299.91/x
  3. Step 3: Cross multiply
    95,136.60x = 131,290.64 × 54,299.91
  4. Step 4: Simplify right side
    95,136.60x = 7,129,069,935.84
  5. Step 5: Solve for x
    x = 7,129,069,935.84/95,136.60
  6. Step 6: Final answer
    x = 74,935.09

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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.