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Finding the Fourth Proportional to 92,624.40, 138,936.95 and 22,503.72

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Solution

The fourth proportional to 92,624.40, 138,936.95 and 22,503.72 is: 33,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,624.40 : 138,936.95 = 22,503.72 : x
  2. Step 2: Convert to fraction form
    92,624.40/138,936.95 = 22,503.72/x
  3. Step 3: Cross multiply
    92,624.40x = 138,936.95 × 22,503.72
  4. Step 4: Simplify right side
    92,624.40x = 3,126,598,107.94
  5. Step 5: Solve for x
    x = 3,126,598,107.94/92,624.40
  6. Step 6: Final answer
    x = 33,755.66

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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.