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Finding the Fourth Proportional to 93,082.88, 138,728.26 and 92,935.28

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Solution

The fourth proportional to 93,082.88, 138,728.26 and 92,935.28 is: 138,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,082.88 : 138,728.26 = 92,935.28 : x
  2. Step 2: Convert to fraction form
    93,082.88/138,728.26 = 92,935.28/x
  3. Step 3: Cross multiply
    93,082.88x = 138,728.26 × 92,935.28
  4. Step 4: Simplify right side
    93,082.88x = 12,892,749,687.01
  5. Step 5: Solve for x
    x = 12,892,749,687.01/93,082.88
  6. Step 6: Final answer
    x = 138,508.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.