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Finding the Fourth Proportional to 244,308.80, 366,333.60 and 86,542.40

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Solution

The fourth proportional to 244,308.80, 366,333.60 and 86,542.40 is: 129,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,308.80 : 366,333.60 = 86,542.40 : x
  2. Step 2: Convert to fraction form
    244,308.80/366,333.60 = 86,542.40/x
  3. Step 3: Cross multiply
    244,308.80x = 366,333.60 × 86,542.40
  4. Step 4: Simplify right side
    244,308.80x = 31,703,388,944.64
  5. Step 5: Solve for x
    x = 31,703,388,944.64/244,308.80
  6. Step 6: Final answer
    x = 129,767.69

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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.