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Finding the Fourth Proportional to 75,136.88, 112,762.40 and 27,796.76

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Solution

The fourth proportional to 75,136.88, 112,762.40 and 27,796.76 is: 41,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136.88 : 112,762.40 = 27,796.76 : x
  2. Step 2: Convert to fraction form
    75,136.88/112,762.40 = 27,796.76/x
  3. Step 3: Cross multiply
    75,136.88x = 112,762.40 × 27,796.76
  4. Step 4: Simplify right side
    75,136.88x = 3,134,429,369.82
  5. Step 5: Solve for x
    x = 3,134,429,369.82/75,136.88
  6. Step 6: Final answer
    x = 41,716.26

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1.5x scale

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.