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Finding the Fourth Proportional to 88,755.21, 133,096.10 and 36,128.97

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Solution

The fourth proportional to 88,755.21, 133,096.10 and 36,128.97 is: 54,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,755.21 : 133,096.10 = 36,128.97 : x
  2. Step 2: Convert to fraction form
    88,755.21/133,096.10 = 36,128.97/x
  3. Step 3: Cross multiply
    88,755.21x = 133,096.10 × 36,128.97
  4. Step 4: Simplify right side
    88,755.21x = 4,808,624,823.37
  5. Step 5: Solve for x
    x = 4,808,624,823.37/88,755.21
  6. Step 6: Final answer
    x = 54,178.51

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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.