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Finding the Fourth Proportional to 97,405.80, 146,123.30 and 41,245.80

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Solution

The fourth proportional to 97,405.80, 146,123.30 and 41,245.80 is: 61,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,405.80 : 146,123.30 = 41,245.80 : x
  2. Step 2: Convert to fraction form
    97,405.80/146,123.30 = 41,245.80/x
  3. Step 3: Cross multiply
    97,405.80x = 146,123.30 × 41,245.80
  4. Step 4: Simplify right side
    97,405.80x = 6,026,972,407.14
  5. Step 5: Solve for x
    x = 6,026,972,407.14/97,405.80
  6. Step 6: Final answer
    x = 61,874.88

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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.