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Finding the Fourth Proportional to 311,994.52, 468,050.08 and 125,020.60

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Solution

The fourth proportional to 311,994.52, 468,050.08 and 125,020.60 is: 187,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,994.52 : 468,050.08 = 125,020.60 : x
  2. Step 2: Convert to fraction form
    311,994.52/468,050.08 = 125,020.60/x
  3. Step 3: Cross multiply
    311,994.52x = 468,050.08 × 125,020.60
  4. Step 4: Simplify right side
    311,994.52x = 58,515,901,831.65
  5. Step 5: Solve for x
    x = 58,515,901,831.65/311,994.52
  6. Step 6: Final answer
    x = 187,554.26

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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.