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Finding the Fourth Proportional to 251,001.96, 376,419.42 and 101,203.56

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Solution

The fourth proportional to 251,001.96, 376,419.42 and 101,203.56 is: 151,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,001.96 : 376,419.42 = 101,203.56 : x
  2. Step 2: Convert to fraction form
    251,001.96/376,419.42 = 101,203.56/x
  3. Step 3: Cross multiply
    251,001.96x = 376,419.42 × 101,203.56
  4. Step 4: Simplify right side
    251,001.96x = 38,094,985,357.14
  5. Step 5: Solve for x
    x = 38,094,985,357.14/251,001.96
  6. Step 6: Final answer
    x = 151,771.66

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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.