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Finding the Fourth Proportional to 208,276.59, 312,164.55 and 95,801.88

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Solution

The fourth proportional to 208,276.59, 312,164.55 and 95,801.88 is: 143,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,276.59 : 312,164.55 = 95,801.88 : x
  2. Step 2: Convert to fraction form
    208,276.59/312,164.55 = 95,801.88/x
  3. Step 3: Cross multiply
    208,276.59x = 312,164.55 × 95,801.88
  4. Step 4: Simplify right side
    208,276.59x = 29,905,950,759.35
  5. Step 5: Solve for x
    x = 29,905,950,759.35/208,276.59
  6. Step 6: Final answer
    x = 143,587.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.