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Finding the Fourth Proportional to 101,928.70, 152,893.05 and 62,011.90

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Solution

The fourth proportional to 101,928.70, 152,893.05 and 62,011.90 is: 93,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,928.70 : 152,893.05 = 62,011.90 : x
  2. Step 2: Convert to fraction form
    101,928.70/152,893.05 = 62,011.90/x
  3. Step 3: Cross multiply
    101,928.70x = 152,893.05 × 62,011.90
  4. Step 4: Simplify right side
    101,928.70x = 9,481,188,527.30
  5. Step 5: Solve for x
    x = 9,481,188,527.30/101,928.70
  6. Step 6: Final answer
    x = 93,017.85

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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.