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Finding the Fourth Proportional to 100,894.52, 151,102.02 and 50,817.08

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Solution

The fourth proportional to 100,894.52, 151,102.02 and 50,817.08 is: 76,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,894.52 : 151,102.02 = 50,817.08 : x
  2. Step 2: Convert to fraction form
    100,894.52/151,102.02 = 50,817.08/x
  3. Step 3: Cross multiply
    100,894.52x = 151,102.02 × 50,817.08
  4. Step 4: Simplify right side
    100,894.52x = 7,678,563,438.50
  5. Step 5: Solve for x
    x = 7,678,563,438.50/100,894.52
  6. Step 6: Final answer
    x = 76,104.86

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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.