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Finding the Fourth Proportional to 442,050.38, 663,075.56 and 161,567.62

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Solution

The fourth proportional to 442,050.38, 663,075.56 and 161,567.62 is: 242,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,050.38 : 663,075.56 = 161,567.62 : x
  2. Step 2: Convert to fraction form
    442,050.38/663,075.56 = 161,567.62/x
  3. Step 3: Cross multiply
    442,050.38x = 663,075.56 × 161,567.62
  4. Step 4: Simplify right side
    442,050.38x = 107,131,540,109.37
  5. Step 5: Solve for x
    x = 107,131,540,109.37/442,050.38
  6. Step 6: Final answer
    x = 242,351.43

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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.