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Finding the Fourth Proportional to 244,566.90, 366,915.15 and 86,778.90

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Solution

The fourth proportional to 244,566.90, 366,915.15 and 86,778.90 is: 130,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,566.90 : 366,915.15 = 86,778.90 : x
  2. Step 2: Convert to fraction form
    244,566.90/366,915.15 = 86,778.90/x
  3. Step 3: Cross multiply
    244,566.90x = 366,915.15 × 86,778.90
  4. Step 4: Simplify right side
    244,566.90x = 31,840,493,110.34
  5. Step 5: Solve for x
    x = 31,840,493,110.34/244,566.90
  6. Step 6: Final answer
    x = 130,191.34

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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.