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Finding the Fourth Proportional to 225,603.83, 338,406.15 and 92,460.26

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Solution

The fourth proportional to 225,603.83, 338,406.15 and 92,460.26 is: 138,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,603.83 : 338,406.15 = 92,460.26 : x
  2. Step 2: Convert to fraction form
    225,603.83/338,406.15 = 92,460.26/x
  3. Step 3: Cross multiply
    225,603.83x = 338,406.15 × 92,460.26
  4. Step 4: Simplify right side
    225,603.83x = 31,289,118,922.57
  5. Step 5: Solve for x
    x = 31,289,118,922.57/225,603.83
  6. Step 6: Final answer
    x = 138,690.55

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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.