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Finding the Fourth Proportional to 100,661.31, 150,860.75 and 41,437.35

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Solution

The fourth proportional to 100,661.31, 150,860.75 and 41,437.35 is: 62,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,661.31 : 150,860.75 = 41,437.35 : x
  2. Step 2: Convert to fraction form
    100,661.31/150,860.75 = 41,437.35/x
  3. Step 3: Cross multiply
    100,661.31x = 150,860.75 × 41,437.35
  4. Step 4: Simplify right side
    100,661.31x = 6,251,269,491.83
  5. Step 5: Solve for x
    x = 6,251,269,491.83/100,661.31
  6. Step 6: Final answer
    x = 62,102.01

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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.