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Finding the Fourth Proportional to 251,875.56, 377,819.80 and 83,395.56

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Solution

The fourth proportional to 251,875.56, 377,819.80 and 83,395.56 is: 125,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,875.56 : 377,819.80 = 83,395.56 : x
  2. Step 2: Convert to fraction form
    251,875.56/377,819.80 = 83,395.56/x
  3. Step 3: Cross multiply
    251,875.56x = 377,819.80 × 83,395.56
  4. Step 4: Simplify right side
    251,875.56x = 31,508,493,800.09
  5. Step 5: Solve for x
    x = 31,508,493,800.09/251,875.56
  6. Step 6: Final answer
    x = 125,095.48

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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.