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Finding the Fourth Proportional to 64,768.65, 97,166.18 and 27,328.73

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Solution

The fourth proportional to 64,768.65, 97,166.18 and 27,328.73 is: 40,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768.65 : 97,166.18 = 27,328.73 : x
  2. Step 2: Convert to fraction form
    64,768.65/97,166.18 = 27,328.73/x
  3. Step 3: Cross multiply
    64,768.65x = 97,166.18 × 27,328.73
  4. Step 4: Simplify right side
    64,768.65x = 2,655,427,880.84
  5. Step 5: Solve for x
    x = 2,655,427,880.84/64,768.65
  6. Step 6: Final answer
    x = 40,998.66

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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.