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Finding the Fourth Proportional to 244,180.40, 366,335.40 and 86,392.40

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Solution

The fourth proportional to 244,180.40, 366,335.40 and 86,392.40 is: 129,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,180.40 : 366,335.40 = 86,392.40 : x
  2. Step 2: Convert to fraction form
    244,180.40/366,335.40 = 86,392.40/x
  3. Step 3: Cross multiply
    244,180.40x = 366,335.40 × 86,392.40
  4. Step 4: Simplify right side
    244,180.40x = 31,648,594,410.96
  5. Step 5: Solve for x
    x = 31,648,594,410.96/244,180.40
  6. Step 6: Final answer
    x = 129,611.53

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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.