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Finding the Fourth Proportional to 233,075.36, 321,633.84 and 131,099

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Solution

The fourth proportional to 233,075.36, 321,633.84 and 131,099 is: 180,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,075.36 : 321,633.84 = 131,099 : x
  2. Step 2: Convert to fraction form
    233,075.36/321,633.84 = 131,099/x
  3. Step 3: Cross multiply
    233,075.36x = 321,633.84 × 131,099
  4. Step 4: Simplify right side
    233,075.36x = 42,165,874,790.16
  5. Step 5: Solve for x
    x = 42,165,874,790.16/233,075.36
  6. Step 6: Final answer
    x = 180,910.91

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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.