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Finding the Fourth Proportional to 501,120.26, 751,805.81 and 146,134.31

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Solution

The fourth proportional to 501,120.26, 751,805.81 and 146,134.31 is: 219,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,120.26 : 751,805.81 = 146,134.31 : x
  2. Step 2: Convert to fraction form
    501,120.26/751,805.81 = 146,134.31/x
  3. Step 3: Cross multiply
    501,120.26x = 751,805.81 × 146,134.31
  4. Step 4: Simplify right side
    501,120.26x = 109,864,618,808.64
  5. Step 5: Solve for x
    x = 109,864,618,808.64/501,120.26
  6. Step 6: Final answer
    x = 219,238.03

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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.