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Finding the Fourth Proportional to 108,075, 162,113.22 and 34,203

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Solution

The fourth proportional to 108,075, 162,113.22 and 34,203 is: 51,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,075 : 162,113.22 = 34,203 : x
  2. Step 2: Convert to fraction form
    108,075/162,113.22 = 34,203/x
  3. Step 3: Cross multiply
    108,075x = 162,113.22 × 34,203
  4. Step 4: Simplify right side
    108,075x = 5,544,758,463.66
  5. Step 5: Solve for x
    x = 5,544,758,463.66/108,075
  6. Step 6: Final answer
    x = 51,304.73

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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.