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Finding the Fourth Proportional to 192,153.58, 288,254.96 and 73,809.54

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Solution

The fourth proportional to 192,153.58, 288,254.96 and 73,809.54 is: 110,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,153.58 : 288,254.96 = 73,809.54 : x
  2. Step 2: Convert to fraction form
    192,153.58/288,254.96 = 73,809.54/x
  3. Step 3: Cross multiply
    192,153.58x = 288,254.96 × 73,809.54
  4. Step 4: Simplify right side
    192,153.58x = 21,275,966,184.84
  5. Step 5: Solve for x
    x = 21,275,966,184.84/192,153.58
  6. Step 6: Final answer
    x = 110,723.76

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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.