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Finding the Fourth Proportional to 192,118.50, 288,179.37 and 67,459.50

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Solution

The fourth proportional to 192,118.50, 288,179.37 and 67,459.50 is: 101,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,118.50 : 288,179.37 = 67,459.50 : x
  2. Step 2: Convert to fraction form
    192,118.50/288,179.37 = 67,459.50/x
  3. Step 3: Cross multiply
    192,118.50x = 288,179.37 × 67,459.50
  4. Step 4: Simplify right side
    192,118.50x = 19,440,436,210.52
  5. Step 5: Solve for x
    x = 19,440,436,210.52/192,118.50
  6. Step 6: Final answer
    x = 101,189.82

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1.5x scale

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.