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Finding the Fourth Proportional to 154,476.99, 231,719.54 and 49,295.86

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Solution

The fourth proportional to 154,476.99, 231,719.54 and 49,295.86 is: 73,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,476.99 : 231,719.54 = 49,295.86 : x
  2. Step 2: Convert to fraction form
    154,476.99/231,719.54 = 49,295.86/x
  3. Step 3: Cross multiply
    154,476.99x = 231,719.54 × 49,295.86
  4. Step 4: Simplify right side
    154,476.99x = 11,422,813,177.33
  5. Step 5: Solve for x
    x = 11,422,813,177.33/154,476.99
  6. Step 6: Final answer
    x = 73,945.08

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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.