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Finding the Fourth Proportional to 95,355.79, 143,056.82 and 28,791.95

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Solution

The fourth proportional to 95,355.79, 143,056.82 and 28,791.95 is: 43,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,355.79 : 143,056.82 = 28,791.95 : x
  2. Step 2: Convert to fraction form
    95,355.79/143,056.82 = 28,791.95/x
  3. Step 3: Cross multiply
    95,355.79x = 143,056.82 × 28,791.95
  4. Step 4: Simplify right side
    95,355.79x = 4,118,884,165.29
  5. Step 5: Solve for x
    x = 4,118,884,165.29/95,355.79
  6. Step 6: Final answer
    x = 43,194.90

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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.