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Finding the Fourth Proportional to 93,561.84, 140,375.16 and 58,459.68

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Solution

The fourth proportional to 93,561.84, 140,375.16 and 58,459.68 is: 87,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,561.84 : 140,375.16 = 58,459.68 : x
  2. Step 2: Convert to fraction form
    93,561.84/140,375.16 = 58,459.68/x
  3. Step 3: Cross multiply
    93,561.84x = 140,375.16 × 58,459.68
  4. Step 4: Simplify right side
    93,561.84x = 8,206,286,933.55
  5. Step 5: Solve for x
    x = 8,206,286,933.55/93,561.84
  6. Step 6: Final answer
    x = 87,709.76

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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.