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Finding the Fourth Proportional to 93,910.68, 140,632.33 and 65,698.67

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Solution

The fourth proportional to 93,910.68, 140,632.33 and 65,698.67 is: 98,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.68 : 140,632.33 = 65,698.67 : x
  2. Step 2: Convert to fraction form
    93,910.68/140,632.33 = 65,698.67/x
  3. Step 3: Cross multiply
    93,910.68x = 140,632.33 × 65,698.67
  4. Step 4: Simplify right side
    93,910.68x = 9,239,356,336.84
  5. Step 5: Solve for x
    x = 9,239,356,336.84/93,910.68
  6. Step 6: Final answer
    x = 98,384.52

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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.