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Finding the Fourth Proportional to 97,401.92, 134,414.88 and 52,689.92

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Solution

The fourth proportional to 97,401.92, 134,414.88 and 52,689.92 is: 72,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,401.92 : 134,414.88 = 52,689.92 : x
  2. Step 2: Convert to fraction form
    97,401.92/134,414.88 = 52,689.92/x
  3. Step 3: Cross multiply
    97,401.92x = 134,414.88 × 52,689.92
  4. Step 4: Simplify right side
    97,401.92x = 7,082,309,274.01
  5. Step 5: Solve for x
    x = 7,082,309,274.01/97,401.92
  6. Step 6: Final answer
    x = 72,712.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.