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Finding the Fourth Proportional to 92,102.33, 138,104.68 and 56,579.91

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Solution

The fourth proportional to 92,102.33, 138,104.68 and 56,579.91 is: 84,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,102.33 : 138,104.68 = 56,579.91 : x
  2. Step 2: Convert to fraction form
    92,102.33/138,104.68 = 56,579.91/x
  3. Step 3: Cross multiply
    92,102.33x = 138,104.68 × 56,579.91
  4. Step 4: Simplify right side
    92,102.33x = 7,813,950,364.98
  5. Step 5: Solve for x
    x = 7,813,950,364.98/92,102.33
  6. Step 6: Final answer
    x = 84,839.88

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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.