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Finding the Fourth Proportional to 203,365.96, 280,550.10 and 127,956.04

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Solution

The fourth proportional to 203,365.96, 280,550.10 and 127,956.04 is: 176,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,365.96 : 280,550.10 = 127,956.04 : x
  2. Step 2: Convert to fraction form
    203,365.96/280,550.10 = 127,956.04/x
  3. Step 3: Cross multiply
    203,365.96x = 280,550.10 × 127,956.04
  4. Step 4: Simplify right side
    203,365.96x = 35,898,079,817.60
  5. Step 5: Solve for x
    x = 35,898,079,817.60/203,365.96
  6. Step 6: Final answer
    x = 176,519.61

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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.