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Finding the Fourth Proportional to 501,251.52, 751,921.47 and 141,425.51

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Solution

The fourth proportional to 501,251.52, 751,921.47 and 141,425.51 is: 212,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,251.52 : 751,921.47 = 141,425.51 : x
  2. Step 2: Convert to fraction form
    501,251.52/751,921.47 = 141,425.51/x
  3. Step 3: Cross multiply
    501,251.52x = 751,921.47 × 141,425.51
  4. Step 4: Simplify right side
    501,251.52x = 106,340,873,615.09
  5. Step 5: Solve for x
    x = 106,340,873,615.09/501,251.52
  6. Step 6: Final answer
    x = 212,150.73

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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.