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Finding the Fourth Proportional to 253,163.40, 379,782.85 and 93,227.02

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Solution

The fourth proportional to 253,163.40, 379,782.85 and 93,227.02 is: 139,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,163.40 : 379,782.85 = 93,227.02 : x
  2. Step 2: Convert to fraction form
    253,163.40/379,782.85 = 93,227.02/x
  3. Step 3: Cross multiply
    253,163.40x = 379,782.85 × 93,227.02
  4. Step 4: Simplify right side
    253,163.40x = 35,406,022,886.47
  5. Step 5: Solve for x
    x = 35,406,022,886.47/253,163.40
  6. Step 6: Final answer
    x = 139,854.43

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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.