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Finding the Fourth Proportional to 97,392.58, 146,072.40 and 27,255.76

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Solution

The fourth proportional to 97,392.58, 146,072.40 and 27,255.76 is: 40,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,392.58 : 146,072.40 = 27,255.76 : x
  2. Step 2: Convert to fraction form
    97,392.58/146,072.40 = 27,255.76/x
  3. Step 3: Cross multiply
    97,392.58x = 146,072.40 × 27,255.76
  4. Step 4: Simplify right side
    97,392.58x = 3,981,314,277.02
  5. Step 5: Solve for x
    x = 3,981,314,277.02/97,392.58
  6. Step 6: Final answer
    x = 40,879.03

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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.