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Finding the Fourth Proportional to 441,401.37, 662,108.16 and 125,858.25

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Solution

The fourth proportional to 441,401.37, 662,108.16 and 125,858.25 is: 188,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,401.37 : 662,108.16 = 125,858.25 : x
  2. Step 2: Convert to fraction form
    441,401.37/662,108.16 = 125,858.25/x
  3. Step 3: Cross multiply
    441,401.37x = 662,108.16 × 125,858.25
  4. Step 4: Simplify right side
    441,401.37x = 83,331,774,328.32
  5. Step 5: Solve for x
    x = 83,331,774,328.32/441,401.37
  6. Step 6: Final answer
    x = 188,789.12

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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.