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Finding the Fourth Proportional to 192,826.88, 288,134.88 and 146,980.88

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Solution

The fourth proportional to 192,826.88, 288,134.88 and 146,980.88 is: 219,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,826.88 : 288,134.88 = 146,980.88 : x
  2. Step 2: Convert to fraction form
    192,826.88/288,134.88 = 146,980.88/x
  3. Step 3: Cross multiply
    192,826.88x = 288,134.88 × 146,980.88
  4. Step 4: Simplify right side
    192,826.88x = 42,350,318,221.09
  5. Step 5: Solve for x
    x = 42,350,318,221.09/192,826.88
  6. Step 6: Final answer
    x = 219,628.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.