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Finding the Fourth Proportional to 225,567.54, 338,332.11 and 92,409.78

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Solution

The fourth proportional to 225,567.54, 338,332.11 and 92,409.78 is: 138,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,567.54 : 338,332.11 = 92,409.78 : x
  2. Step 2: Convert to fraction form
    225,567.54/338,332.11 = 92,409.78/x
  3. Step 3: Cross multiply
    225,567.54x = 338,332.11 × 92,409.78
  4. Step 4: Simplify right side
    225,567.54x = 31,265,195,852.04
  5. Step 5: Solve for x
    x = 31,265,195,852.04/225,567.54
  6. Step 6: Final answer
    x = 138,606.80

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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.