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Finding the Fourth Proportional to 534,199.05, 801,064.08 and 160,134.57

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Solution

The fourth proportional to 534,199.05, 801,064.08 and 160,134.57 is: 240,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,199.05 : 801,064.08 = 160,134.57 : x
  2. Step 2: Convert to fraction form
    534,199.05/801,064.08 = 160,134.57/x
  3. Step 3: Cross multiply
    534,199.05x = 801,064.08 × 160,134.57
  4. Step 4: Simplify right side
    534,199.05x = 128,278,051,993.25
  5. Step 5: Solve for x
    x = 128,278,051,993.25/534,199.05
  6. Step 6: Final answer
    x = 240,131.56

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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.