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Finding the Fourth Proportional to 501,251.01, 751,920.72 and 141,425.01

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Solution

The fourth proportional to 501,251.01, 751,920.72 and 141,425.01 is: 212,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,251.01 : 751,920.72 = 141,425.01 : x
  2. Step 2: Convert to fraction form
    501,251.01/751,920.72 = 141,425.01/x
  3. Step 3: Cross multiply
    501,251.01x = 751,920.72 × 141,425.01
  4. Step 4: Simplify right side
    501,251.01x = 106,340,395,345.21
  5. Step 5: Solve for x
    x = 106,340,395,345.21/501,251.01
  6. Step 6: Final answer
    x = 212,149.99

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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.