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Finding the Fourth Proportional to 192,118.84, 288,178.26 and 98,564.92

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Solution

The fourth proportional to 192,118.84, 288,178.26 and 98,564.92 is: 147,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,118.84 : 288,178.26 = 98,564.92 : x
  2. Step 2: Convert to fraction form
    192,118.84/288,178.26 = 98,564.92/x
  3. Step 3: Cross multiply
    192,118.84x = 288,178.26 × 98,564.92
  4. Step 4: Simplify right side
    192,118.84x = 28,404,267,142.64
  5. Step 5: Solve for x
    x = 28,404,267,142.64/192,118.84
  6. Step 6: Final answer
    x = 147,847.38

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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.