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Finding the Fourth Proportional to 176,630.96, 243,625.39 and 108,558.56

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Solution

The fourth proportional to 176,630.96, 243,625.39 and 108,558.56 is: 149,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,630.96 : 243,625.39 = 108,558.56 : x
  2. Step 2: Convert to fraction form
    176,630.96/243,625.39 = 108,558.56/x
  3. Step 3: Cross multiply
    176,630.96x = 243,625.39 × 108,558.56
  4. Step 4: Simplify right side
    176,630.96x = 26,447,620,028.32
  5. Step 5: Solve for x
    x = 26,447,620,028.32/176,630.96
  6. Step 6: Final answer
    x = 149,733.78

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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.