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Finding the Fourth Proportional to 367,008.18, 550,511.25 and 100,768.98

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Solution

The fourth proportional to 367,008.18, 550,511.25 and 100,768.98 is: 151,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,008.18 : 550,511.25 = 100,768.98 : x
  2. Step 2: Convert to fraction form
    367,008.18/550,511.25 = 100,768.98/x
  3. Step 3: Cross multiply
    367,008.18x = 550,511.25 × 100,768.98
  4. Step 4: Simplify right side
    367,008.18x = 55,474,457,141.03
  5. Step 5: Solve for x
    x = 55,474,457,141.03/367,008.18
  6. Step 6: Final answer
    x = 151,153.19

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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.