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Finding the Fourth Proportional to 225,597.96, 338,384.49 and 75,822.79

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Solution

The fourth proportional to 225,597.96, 338,384.49 and 75,822.79 is: 113,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,597.96 : 338,384.49 = 75,822.79 : x
  2. Step 2: Convert to fraction form
    225,597.96/338,384.49 = 75,822.79/x
  3. Step 3: Cross multiply
    225,597.96x = 338,384.49 × 75,822.79
  4. Step 4: Simplify right side
    225,597.96x = 25,657,256,124.53
  5. Step 5: Solve for x
    x = 25,657,256,124.53/225,597.96
  6. Step 6: Final answer
    x = 113,730.00

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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.