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Finding the Fourth Proportional to 109,075.92, 150,474.26 and 63,755.82

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Solution

The fourth proportional to 109,075.92, 150,474.26 and 63,755.82 is: 87,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.92 : 150,474.26 = 63,755.82 : x
  2. Step 2: Convert to fraction form
    109,075.92/150,474.26 = 63,755.82/x
  3. Step 3: Cross multiply
    109,075.92x = 150,474.26 × 63,755.82
  4. Step 4: Simplify right side
    109,075.92x = 9,593,609,835.19
  5. Step 5: Solve for x
    x = 9,593,609,835.19/109,075.92
  6. Step 6: Final answer
    x = 87,953.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.