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Finding the Fourth Proportional to 169,383.42, 253,674.45 and 147,075.62

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Solution

The fourth proportional to 169,383.42, 253,674.45 and 147,075.62 is: 220,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,383.42 : 253,674.45 = 147,075.62 : x
  2. Step 2: Convert to fraction form
    169,383.42/253,674.45 = 147,075.62/x
  3. Step 3: Cross multiply
    169,383.42x = 253,674.45 × 147,075.62
  4. Step 4: Simplify right side
    169,383.42x = 37,309,325,743.54
  5. Step 5: Solve for x
    x = 37,309,325,743.54/169,383.42
  6. Step 6: Final answer
    x = 220,265.51

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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.