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Finding the Fourth Proportional to 244,563.90, 366,910.65 and 86,775.90

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Solution

The fourth proportional to 244,563.90, 366,910.65 and 86,775.90 is: 130,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,563.90 : 366,910.65 = 86,775.90 : x
  2. Step 2: Convert to fraction form
    244,563.90/366,910.65 = 86,775.90/x
  3. Step 3: Cross multiply
    244,563.90x = 366,910.65 × 86,775.90
  4. Step 4: Simplify right side
    244,563.90x = 31,839,001,873.34
  5. Step 5: Solve for x
    x = 31,839,001,873.34/244,563.90
  6. Step 6: Final answer
    x = 130,186.84

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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.