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Finding the Fourth Proportional to 101,674.48, 152,563.64 and 48,426.68

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Solution

The fourth proportional to 101,674.48, 152,563.64 and 48,426.68 is: 72,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,674.48 : 152,563.64 = 48,426.68 : x
  2. Step 2: Convert to fraction form
    101,674.48/152,563.64 = 48,426.68/x
  3. Step 3: Cross multiply
    101,674.48x = 152,563.64 × 48,426.68
  4. Step 4: Simplify right side
    101,674.48x = 7,388,150,573.92
  5. Step 5: Solve for x
    x = 7,388,150,573.92/101,674.48
  6. Step 6: Final answer
    x = 72,664.75

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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.