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Finding the Fourth Proportional to 192,057.30, 288,047.55 and 92,217.30

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Solution

The fourth proportional to 192,057.30, 288,047.55 and 92,217.30 is: 138,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057.30 : 288,047.55 = 92,217.30 : x
  2. Step 2: Convert to fraction form
    192,057.30/288,047.55 = 92,217.30/x
  3. Step 3: Cross multiply
    192,057.30x = 288,047.55 × 92,217.30
  4. Step 4: Simplify right side
    192,057.30x = 26,562,967,332.62
  5. Step 5: Solve for x
    x = 26,562,967,332.62/192,057.30
  6. Step 6: Final answer
    x = 138,307.51

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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.