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Finding the Fourth Proportional to 93,679.64, 140,574.81 and 34,556.84

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Solution

The fourth proportional to 93,679.64, 140,574.81 and 34,556.84 is: 51,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.64 : 140,574.81 = 34,556.84 : x
  2. Step 2: Convert to fraction form
    93,679.64/140,574.81 = 34,556.84/x
  3. Step 3: Cross multiply
    93,679.64x = 140,574.81 × 34,556.84
  4. Step 4: Simplify right side
    93,679.64x = 4,857,820,514.33
  5. Step 5: Solve for x
    x = 4,857,820,514.33/93,679.64
  6. Step 6: Final answer
    x = 51,855.67

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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.