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Finding the Fourth Proportional to 534,067.40, 800,999.10 and 160,090.40

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Solution

The fourth proportional to 534,067.40, 800,999.10 and 160,090.40 is: 240,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,067.40 : 800,999.10 = 160,090.40 : x
  2. Step 2: Convert to fraction form
    534,067.40/800,999.10 = 160,090.40/x
  3. Step 3: Cross multiply
    534,067.40x = 800,999.10 × 160,090.40
  4. Step 4: Simplify right side
    534,067.40x = 128,232,266,318.64
  5. Step 5: Solve for x
    x = 128,232,266,318.64/534,067.40
  6. Step 6: Final answer
    x = 240,105.02

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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.