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Finding the Fourth Proportional to 244,553.40, 366,894.90 and 86,765.40

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Solution

The fourth proportional to 244,553.40, 366,894.90 and 86,765.40 is: 130,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,553.40 : 366,894.90 = 86,765.40 : x
  2. Step 2: Convert to fraction form
    244,553.40/366,894.90 = 86,765.40/x
  3. Step 3: Cross multiply
    244,553.40x = 366,894.90 × 86,765.40
  4. Step 4: Simplify right side
    244,553.40x = 31,833,782,756.46
  5. Step 5: Solve for x
    x = 31,833,782,756.46/244,553.40
  6. Step 6: Final answer
    x = 130,171.09

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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.