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Finding the Fourth Proportional to 250,684.76, 375,840.12 and 150,821.55

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Solution

The fourth proportional to 250,684.76, 375,840.12 and 150,821.55 is: 226,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,684.76 : 375,840.12 = 150,821.55 : x
  2. Step 2: Convert to fraction form
    250,684.76/375,840.12 = 150,821.55/x
  3. Step 3: Cross multiply
    250,684.76x = 375,840.12 × 150,821.55
  4. Step 4: Simplify right side
    250,684.76x = 56,684,789,450.59
  5. Step 5: Solve for x
    x = 56,684,789,450.59/250,684.76
  6. Step 6: Final answer
    x = 226,119.81

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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.