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Finding the Fourth Proportional to 333,330.75, 500,048.06 and 108,639.05

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Solution

The fourth proportional to 333,330.75, 500,048.06 and 108,639.05 is: 162,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,330.75 : 500,048.06 = 108,639.05 : x
  2. Step 2: Convert to fraction form
    333,330.75/500,048.06 = 108,639.05/x
  3. Step 3: Cross multiply
    333,330.75x = 500,048.06 × 108,639.05
  4. Step 4: Simplify right side
    333,330.75x = 54,324,747,714.46
  5. Step 5: Solve for x
    x = 54,324,747,714.46/333,330.75
  6. Step 6: Final answer
    x = 162,975.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.