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Finding the Fourth Proportional to 92,136.75, 138,205.91 and 25,582.07

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Solution

The fourth proportional to 92,136.75, 138,205.91 and 25,582.07 is: 38,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,136.75 : 138,205.91 = 25,582.07 : x
  2. Step 2: Convert to fraction form
    92,136.75/138,205.91 = 25,582.07/x
  3. Step 3: Cross multiply
    92,136.75x = 138,205.91 × 25,582.07
  4. Step 4: Simplify right side
    92,136.75x = 3,535,593,264.03
  5. Step 5: Solve for x
    x = 3,535,593,264.03/92,136.75
  6. Step 6: Final answer
    x = 38,373.32

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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.