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Finding the Fourth Proportional to 244,563.80, 366,955.05 and 86,905.40

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Solution

The fourth proportional to 244,563.80, 366,955.05 and 86,905.40 is: 130,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,563.80 : 366,955.05 = 86,905.40 : x
  2. Step 2: Convert to fraction form
    244,563.80/366,955.05 = 86,905.40/x
  3. Step 3: Cross multiply
    244,563.80x = 366,955.05 × 86,905.40
  4. Step 4: Simplify right side
    244,563.80x = 31,890,375,402.27
  5. Step 5: Solve for x
    x = 31,890,375,402.27/244,563.80
  6. Step 6: Final answer
    x = 130,396.96

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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.