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Finding the Fourth Proportional to 86,103.33, 129,160.47 and 22,922.43

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Solution

The fourth proportional to 86,103.33, 129,160.47 and 22,922.43 is: 34,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,103.33 : 129,160.47 = 22,922.43 : x
  2. Step 2: Convert to fraction form
    86,103.33/129,160.47 = 22,922.43/x
  3. Step 3: Cross multiply
    86,103.33x = 129,160.47 × 22,922.43
  4. Step 4: Simplify right side
    86,103.33x = 2,960,671,832.34
  5. Step 5: Solve for x
    x = 2,960,671,832.34/86,103.33
  6. Step 6: Final answer
    x = 34,385.10

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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.