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Finding the Fourth Proportional to 311,793.15, 466,998.53 and 124,708.35

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Solution

The fourth proportional to 311,793.15, 466,998.53 and 124,708.35 is: 186,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,793.15 : 466,998.53 = 124,708.35 : x
  2. Step 2: Convert to fraction form
    311,793.15/466,998.53 = 124,708.35/x
  3. Step 3: Cross multiply
    311,793.15x = 466,998.53 × 124,708.35
  4. Step 4: Simplify right side
    311,793.15x = 58,238,615,505.18
  5. Step 5: Solve for x
    x = 58,238,615,505.18/311,793.15
  6. Step 6: Final answer
    x = 186,786.06

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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.