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Finding the Fourth Proportional to 100,617.01, 150,955.70 and 40,614.62

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Solution

The fourth proportional to 100,617.01, 150,955.70 and 40,614.62 is: 60,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,617.01 : 150,955.70 = 40,614.62 : x
  2. Step 2: Convert to fraction form
    100,617.01/150,955.70 = 40,614.62/x
  3. Step 3: Cross multiply
    100,617.01x = 150,955.70 × 40,614.62
  4. Step 4: Simplify right side
    100,617.01x = 6,131,007,434.48
  5. Step 5: Solve for x
    x = 6,131,007,434.48/100,617.01
  6. Step 6: Final answer
    x = 60,934.11

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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.