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Finding the Fourth Proportional to 68,552.55, 102,852.15 and 36,965.67

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Solution

The fourth proportional to 68,552.55, 102,852.15 and 36,965.67 is: 55,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,552.55 : 102,852.15 = 36,965.67 : x
  2. Step 2: Convert to fraction form
    68,552.55/102,852.15 = 36,965.67/x
  3. Step 3: Cross multiply
    68,552.55x = 102,852.15 × 36,965.67
  4. Step 4: Simplify right side
    68,552.55x = 3,801,998,635.69
  5. Step 5: Solve for x
    x = 3,801,998,635.69/68,552.55
  6. Step 6: Final answer
    x = 55,461.08

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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.