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Finding the Fourth Proportional to 225,566.85, 338,326.43 and 118,908.08

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Solution

The fourth proportional to 225,566.85, 338,326.43 and 118,908.08 is: 178,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,566.85 : 338,326.43 = 118,908.08 : x
  2. Step 2: Convert to fraction form
    225,566.85/338,326.43 = 118,908.08/x
  3. Step 3: Cross multiply
    225,566.85x = 338,326.43 × 118,908.08
  4. Step 4: Simplify right side
    225,566.85x = 40,229,745,656.01
  5. Step 5: Solve for x
    x = 40,229,745,656.01/225,566.85
  6. Step 6: Final answer
    x = 178,349.55

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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.