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Finding the Fourth Proportional to 251,239.83, 376,638.15 and 93,357.56

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Solution

The fourth proportional to 251,239.83, 376,638.15 and 93,357.56 is: 139,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,239.83 : 376,638.15 = 93,357.56 : x
  2. Step 2: Convert to fraction form
    251,239.83/376,638.15 = 93,357.56/x
  3. Step 3: Cross multiply
    251,239.83x = 376,638.15 × 93,357.56
  4. Step 4: Simplify right side
    251,239.83x = 35,162,019,978.60
  5. Step 5: Solve for x
    x = 35,162,019,978.60/251,239.83
  6. Step 6: Final answer
    x = 139,954.01

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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.