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Finding the Fourth Proportional to 101,107.70, 151,661.55 and 73,114.10

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Solution

The fourth proportional to 101,107.70, 151,661.55 and 73,114.10 is: 109,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,107.70 : 151,661.55 = 73,114.10 : x
  2. Step 2: Convert to fraction form
    101,107.70/151,661.55 = 73,114.10/x
  3. Step 3: Cross multiply
    101,107.70x = 151,661.55 × 73,114.10
  4. Step 4: Simplify right side
    101,107.70x = 11,088,597,732.86
  5. Step 5: Solve for x
    x = 11,088,597,732.86/101,107.70
  6. Step 6: Final answer
    x = 109,671.15

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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.