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Finding the Fourth Proportional to 67,136.84, 92,649.97 and 38,459.01

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Solution

The fourth proportional to 67,136.84, 92,649.97 and 38,459.01 is: 53,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.84 : 92,649.97 = 38,459.01 : x
  2. Step 2: Convert to fraction form
    67,136.84/92,649.97 = 38,459.01/x
  3. Step 3: Cross multiply
    67,136.84x = 92,649.97 × 38,459.01
  4. Step 4: Simplify right side
    67,136.84x = 3,563,226,122.73
  5. Step 5: Solve for x
    x = 3,563,226,122.73/67,136.84
  6. Step 6: Final answer
    x = 53,074.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.