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Finding the Fourth Proportional to 176,912.70, 244,124.13 and 100,435.02

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Solution

The fourth proportional to 176,912.70, 244,124.13 and 100,435.02 is: 138,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,912.70 : 244,124.13 = 100,435.02 : x
  2. Step 2: Convert to fraction form
    176,912.70/244,124.13 = 100,435.02/x
  3. Step 3: Cross multiply
    176,912.70x = 244,124.13 × 100,435.02
  4. Step 4: Simplify right side
    176,912.70x = 24,518,611,879.03
  5. Step 5: Solve for x
    x = 24,518,611,879.03/176,912.70
  6. Step 6: Final answer
    x = 138,591.59

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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.