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Finding the Fourth Proportional to 270,816.92, 373,722.79 and 149,955.61

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Solution

The fourth proportional to 270,816.92, 373,722.79 and 149,955.61 is: 206,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,816.92 : 373,722.79 = 149,955.61 : x
  2. Step 2: Convert to fraction form
    270,816.92/373,722.79 = 149,955.61/x
  3. Step 3: Cross multiply
    270,816.92x = 373,722.79 × 149,955.61
  4. Step 4: Simplify right side
    270,816.92x = 56,041,829,247.40
  5. Step 5: Solve for x
    x = 56,041,829,247.40/270,816.92
  6. Step 6: Final answer
    x = 206,936.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.