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Finding the Fourth Proportional to 176,901.87, 244,086.50 and 105,267.90

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Solution

The fourth proportional to 176,901.87, 244,086.50 and 105,267.90 is: 145,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,901.87 : 244,086.50 = 105,267.90 : x
  2. Step 2: Convert to fraction form
    176,901.87/244,086.50 = 105,267.90/x
  3. Step 3: Cross multiply
    176,901.87x = 244,086.50 × 105,267.90
  4. Step 4: Simplify right side
    176,901.87x = 25,694,472,747.01
  5. Step 5: Solve for x
    x = 25,694,472,747.01/176,901.87
  6. Step 6: Final answer
    x = 145,247.04

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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.