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Finding the Fourth Proportional to 92,389.17, 138,582.54 and 22,267.89

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Solution

The fourth proportional to 92,389.17, 138,582.54 and 22,267.89 is: 33,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,389.17 : 138,582.54 = 22,267.89 : x
  2. Step 2: Convert to fraction form
    92,389.17/138,582.54 = 22,267.89/x
  3. Step 3: Cross multiply
    92,389.17x = 138,582.54 × 22,267.89
  4. Step 4: Simplify right side
    92,389.17x = 3,085,940,756.64
  5. Step 5: Solve for x
    x = 3,085,940,756.64/92,389.17
  6. Step 6: Final answer
    x = 33,401.54

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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.