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Finding the Fourth Proportional to 244,558.40, 366,902.40 and 86,770.40

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Solution

The fourth proportional to 244,558.40, 366,902.40 and 86,770.40 is: 130,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,558.40 : 366,902.40 = 86,770.40 : x
  2. Step 2: Convert to fraction form
    244,558.40/366,902.40 = 86,770.40/x
  3. Step 3: Cross multiply
    244,558.40x = 366,902.40 × 86,770.40
  4. Step 4: Simplify right side
    244,558.40x = 31,836,268,008.96
  5. Step 5: Solve for x
    x = 31,836,268,008.96/244,558.40
  6. Step 6: Final answer
    x = 130,178.59

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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.