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Finding the Fourth Proportional to 236,900.82, 355,298.90 and 68,384.52

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Solution

The fourth proportional to 236,900.82, 355,298.90 and 68,384.52 is: 102,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,900.82 : 355,298.90 = 68,384.52 : x
  2. Step 2: Convert to fraction form
    236,900.82/355,298.90 = 68,384.52/x
  3. Step 3: Cross multiply
    236,900.82x = 355,298.90 × 68,384.52
  4. Step 4: Simplify right side
    236,900.82x = 24,296,944,733.03
  5. Step 5: Solve for x
    x = 24,296,944,733.03/236,900.82
  6. Step 6: Final answer
    x = 102,561.67

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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.