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Finding the Fourth Proportional to 185,263.38, 255,668.22 and 113,682.96

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Solution

The fourth proportional to 185,263.38, 255,668.22 and 113,682.96 is: 156,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,263.38 : 255,668.22 = 113,682.96 : x
  2. Step 2: Convert to fraction form
    185,263.38/255,668.22 = 113,682.96/x
  3. Step 3: Cross multiply
    185,263.38x = 255,668.22 × 113,682.96
  4. Step 4: Simplify right side
    185,263.38x = 29,065,120,027.53
  5. Step 5: Solve for x
    x = 29,065,120,027.53/185,263.38
  6. Step 6: Final answer
    x = 156,885.40

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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.