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Finding the Fourth Proportional to 262,607.54, 393,878.48 and 73,082.12

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Solution

The fourth proportional to 262,607.54, 393,878.48 and 73,082.12 is: 109,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,607.54 : 393,878.48 = 73,082.12 : x
  2. Step 2: Convert to fraction form
    262,607.54/393,878.48 = 73,082.12/x
  3. Step 3: Cross multiply
    262,607.54x = 393,878.48 × 73,082.12
  4. Step 4: Simplify right side
    262,607.54x = 28,785,472,005.97
  5. Step 5: Solve for x
    x = 28,785,472,005.97/262,607.54
  6. Step 6: Final answer
    x = 109,614.04

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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.