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Finding the Fourth Proportional to 225,929.33, 338,657.54 and 76,117.85

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Solution

The fourth proportional to 225,929.33, 338,657.54 and 76,117.85 is: 114,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.33 : 338,657.54 = 76,117.85 : x
  2. Step 2: Convert to fraction form
    225,929.33/338,657.54 = 76,117.85/x
  3. Step 3: Cross multiply
    225,929.33x = 338,657.54 × 76,117.85
  4. Step 4: Simplify right side
    225,929.33x = 25,777,881,757.21
  5. Step 5: Solve for x
    x = 25,777,881,757.21/225,929.33
  6. Step 6: Final answer
    x = 114,097.10

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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.