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Finding the Fourth Proportional to 225,602.83, 338,404.65 and 92,459.26

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Solution

The fourth proportional to 225,602.83, 338,404.65 and 92,459.26 is: 138,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,602.83 : 338,404.65 = 92,459.26 : x
  2. Step 2: Convert to fraction form
    225,602.83/338,404.65 = 92,459.26/x
  3. Step 3: Cross multiply
    225,602.83x = 338,404.65 × 92,459.26
  4. Step 4: Simplify right side
    225,602.83x = 31,288,641,365.24
  5. Step 5: Solve for x
    x = 31,288,641,365.24/225,602.83
  6. Step 6: Final answer
    x = 138,689.05

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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.