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Finding the Fourth Proportional to 100,758.87, 151,104.42 and 50,807.07

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Solution

The fourth proportional to 100,758.87, 151,104.42 and 50,807.07 is: 76,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,758.87 : 151,104.42 = 50,807.07 : x
  2. Step 2: Convert to fraction form
    100,758.87/151,104.42 = 50,807.07/x
  3. Step 3: Cross multiply
    100,758.87x = 151,104.42 × 50,807.07
  4. Step 4: Simplify right side
    100,758.87x = 7,677,172,844.25
  5. Step 5: Solve for x
    x = 7,677,172,844.25/100,758.87
  6. Step 6: Final answer
    x = 76,193.52

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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.