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Finding the Fourth Proportional to 111,510, 167,176.56 and 40,421.52

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Solution

The fourth proportional to 111,510, 167,176.56 and 40,421.52 is: 60,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,510 : 167,176.56 = 40,421.52 : x
  2. Step 2: Convert to fraction form
    111,510/167,176.56 = 40,421.52/x
  3. Step 3: Cross multiply
    111,510x = 167,176.56 × 40,421.52
  4. Step 4: Simplify right side
    111,510x = 6,757,530,663.57
  5. Step 5: Solve for x
    x = 6,757,530,663.57/111,510
  6. Step 6: Final answer
    x = 60,600.22

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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.