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Finding the Fourth Proportional to 244,396.64, 366,711.60 and 86,699.36

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Solution

The fourth proportional to 244,396.64, 366,711.60 and 86,699.36 is: 130,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,396.64 : 366,711.60 = 86,699.36 : x
  2. Step 2: Convert to fraction form
    244,396.64/366,711.60 = 86,699.36/x
  3. Step 3: Cross multiply
    244,396.64x = 366,711.60 × 86,699.36
  4. Step 4: Simplify right side
    244,396.64x = 31,793,662,266.48
  5. Step 5: Solve for x
    x = 31,793,662,266.48/244,396.64
  6. Step 6: Final answer
    x = 130,090.42

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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.