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Finding the Fourth Proportional to 90,166.63, 135,262.26 and 37,563.82

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Solution

The fourth proportional to 90,166.63, 135,262.26 and 37,563.82 is: 56,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,166.63 : 135,262.26 = 37,563.82 : x
  2. Step 2: Convert to fraction form
    90,166.63/135,262.26 = 37,563.82/x
  3. Step 3: Cross multiply
    90,166.63x = 135,262.26 × 37,563.82
  4. Step 4: Simplify right side
    90,166.63x = 5,080,966,999.61
  5. Step 5: Solve for x
    x = 5,080,966,999.61/90,166.63
  6. Step 6: Final answer
    x = 56,350.86

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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.