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Finding the Fourth Proportional to 95,798.25, 143,824.55 and 81,847.89

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Solution

The fourth proportional to 95,798.25, 143,824.55 and 81,847.89 is: 122,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,798.25 : 143,824.55 = 81,847.89 : x
  2. Step 2: Convert to fraction form
    95,798.25/143,824.55 = 81,847.89/x
  3. Step 3: Cross multiply
    95,798.25x = 143,824.55 × 81,847.89
  4. Step 4: Simplify right side
    95,798.25x = 11,771,735,538.46
  5. Step 5: Solve for x
    x = 11,771,735,538.46/95,798.25
  6. Step 6: Final answer
    x = 122,880.49

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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.