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Finding the Fourth Proportional to 95,790.54, 143,689.77 and 36,630.54

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Solution

The fourth proportional to 95,790.54, 143,689.77 and 36,630.54 is: 54,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,790.54 : 143,689.77 = 36,630.54 : x
  2. Step 2: Convert to fraction form
    95,790.54/143,689.77 = 36,630.54/x
  3. Step 3: Cross multiply
    95,790.54x = 143,689.77 × 36,630.54
  4. Step 4: Simplify right side
    95,790.54x = 5,263,433,867.58
  5. Step 5: Solve for x
    x = 5,263,433,867.58/95,790.54
  6. Step 6: Final answer
    x = 54,947.32

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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.