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Finding the Fourth Proportional to 67,650.28, 101,558.34 and 64,974.51

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Solution

The fourth proportional to 67,650.28, 101,558.34 and 64,974.51 is: 97,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,650.28 : 101,558.34 = 64,974.51 : x
  2. Step 2: Convert to fraction form
    67,650.28/101,558.34 = 64,974.51/x
  3. Step 3: Cross multiply
    67,650.28x = 101,558.34 × 64,974.51
  4. Step 4: Simplify right side
    67,650.28x = 6,598,703,377.91
  5. Step 5: Solve for x
    x = 6,598,703,377.91/67,650.28
  6. Step 6: Final answer
    x = 97,541.41

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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.