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Finding the Fourth Proportional to 168,555.30, 252,942.30 and 97,477.80

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Solution

The fourth proportional to 168,555.30, 252,942.30 and 97,477.80 is: 146,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,555.30 : 252,942.30 = 97,477.80 : x
  2. Step 2: Convert to fraction form
    168,555.30/252,942.30 = 97,477.80/x
  3. Step 3: Cross multiply
    168,555.30x = 252,942.30 × 97,477.80
  4. Step 4: Simplify right side
    168,555.30x = 24,656,258,930.94
  5. Step 5: Solve for x
    x = 24,656,258,930.94/168,555.30
  6. Step 6: Final answer
    x = 146,279.94

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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.