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Finding the Fourth Proportional to 441,138.33, 661,690.89 and 125,595.15

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Solution

The fourth proportional to 441,138.33, 661,690.89 and 125,595.15 is: 188,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,138.33 : 661,690.89 = 125,595.15 : x
  2. Step 2: Convert to fraction form
    441,138.33/661,690.89 = 125,595.15/x
  3. Step 3: Cross multiply
    441,138.33x = 661,690.89 × 125,595.15
  4. Step 4: Simplify right side
    441,138.33x = 83,105,166,583.18
  5. Step 5: Solve for x
    x = 83,105,166,583.18/441,138.33
  6. Step 6: Final answer
    x = 188,388.00

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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.