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Finding the Fourth Proportional to 269,800.89, 372,328.24 and 148,942.24

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Solution

The fourth proportional to 269,800.89, 372,328.24 and 148,942.24 is: 205,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.89 : 372,328.24 = 148,942.24 : x
  2. Step 2: Convert to fraction form
    269,800.89/372,328.24 = 148,942.24/x
  3. Step 3: Cross multiply
    269,800.89x = 372,328.24 × 148,942.24
  4. Step 4: Simplify right side
    269,800.89x = 55,455,399,846.86
  5. Step 5: Solve for x
    x = 55,455,399,846.86/269,800.89
  6. Step 6: Final answer
    x = 205,541.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.