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Finding the Fourth Proportional to 154,460.52, 231,671.34 and 49,270.68

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Solution

The fourth proportional to 154,460.52, 231,671.34 and 49,270.68 is: 73,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,460.52 : 231,671.34 = 49,270.68 : x
  2. Step 2: Convert to fraction form
    154,460.52/231,671.34 = 49,270.68/x
  3. Step 3: Cross multiply
    154,460.52x = 231,671.34 × 49,270.68
  4. Step 4: Simplify right side
    154,460.52x = 11,414,604,458.31
  5. Step 5: Solve for x
    x = 11,414,604,458.31/154,460.52
  6. Step 6: Final answer
    x = 73,899.82

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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.