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Finding the Fourth Proportional to 176,847.50, 243,977.34 and 108,843.92

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Solution

The fourth proportional to 176,847.50, 243,977.34 and 108,843.92 is: 150,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,847.50 : 243,977.34 = 108,843.92 : x
  2. Step 2: Convert to fraction form
    176,847.50/243,977.34 = 108,843.92/x
  3. Step 3: Cross multiply
    176,847.50x = 243,977.34 × 108,843.92
  4. Step 4: Simplify right side
    176,847.50x = 26,555,450,076.77
  5. Step 5: Solve for x
    x = 26,555,450,076.77/176,847.50
  6. Step 6: Final answer
    x = 150,160.17

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1.5x scale

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.