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Finding the Fourth Proportional to 122,148.11, 182,951.48 and 93,859.94

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Solution

The fourth proportional to 122,148.11, 182,951.48 and 93,859.94 is: 140,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,148.11 : 182,951.48 = 93,859.94 : x
  2. Step 2: Convert to fraction form
    122,148.11/182,951.48 = 93,859.94/x
  3. Step 3: Cross multiply
    122,148.11x = 182,951.48 × 93,859.94
  4. Step 4: Simplify right side
    122,148.11x = 17,171,813,551.65
  5. Step 5: Solve for x
    x = 17,171,813,551.65/122,148.11
  6. Step 6: Final answer
    x = 140,581.91

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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.