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Finding the Fourth Proportional to 501,131.88, 751,808.38 and 146,173.68

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Solution

The fourth proportional to 501,131.88, 751,808.38 and 146,173.68 is: 219,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,131.88 : 751,808.38 = 146,173.68 : x
  2. Step 2: Convert to fraction form
    501,131.88/751,808.38 = 146,173.68/x
  3. Step 3: Cross multiply
    501,131.88x = 751,808.38 × 146,173.68
  4. Step 4: Simplify right side
    501,131.88x = 109,894,597,559.44
  5. Step 5: Solve for x
    x = 109,894,597,559.44/501,131.88
  6. Step 6: Final answer
    x = 219,292.77

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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.