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Finding the Fourth Proportional to 225,596.72, 338,482.56 and 92,539.64

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Solution

The fourth proportional to 225,596.72, 338,482.56 and 92,539.64 is: 138,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,596.72 : 338,482.56 = 92,539.64 : x
  2. Step 2: Convert to fraction form
    225,596.72/338,482.56 = 92,539.64/x
  3. Step 3: Cross multiply
    225,596.72x = 338,482.56 × 92,539.64
  4. Step 4: Simplify right side
    225,596.72x = 31,323,054,248.68
  5. Step 5: Solve for x
    x = 31,323,054,248.68/225,596.72
  6. Step 6: Final answer
    x = 138,845.34

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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.