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Finding the Fourth Proportional to 95,550.88, 143,310.30 and 28,975.08

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Solution

The fourth proportional to 95,550.88, 143,310.30 and 28,975.08 is: 43,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,550.88 : 143,310.30 = 28,975.08 : x
  2. Step 2: Convert to fraction form
    95,550.88/143,310.30 = 28,975.08/x
  3. Step 3: Cross multiply
    95,550.88x = 143,310.30 × 28,975.08
  4. Step 4: Simplify right side
    95,550.88x = 4,152,427,407.32
  5. Step 5: Solve for x
    x = 4,152,427,407.32/95,550.88
  6. Step 6: Final answer
    x = 43,457.76

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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.