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Finding the Fourth Proportional to 173,074.55, 259,655.67 and 53,137.62

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Solution

The fourth proportional to 173,074.55, 259,655.67 and 53,137.62 is: 79,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.55 : 259,655.67 = 53,137.62 : x
  2. Step 2: Convert to fraction form
    173,074.55/259,655.67 = 53,137.62/x
  3. Step 3: Cross multiply
    173,074.55x = 259,655.67 × 53,137.62
  4. Step 4: Simplify right side
    173,074.55x = 13,797,484,057.62
  5. Step 5: Solve for x
    x = 13,797,484,057.62/173,074.55
  6. Step 6: Final answer
    x = 79,719.89

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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.