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Finding the Fourth Proportional to 93,941.88, 129,647.97 and 51,508.68

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Solution

The fourth proportional to 93,941.88, 129,647.97 and 51,508.68 is: 71,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,941.88 : 129,647.97 = 51,508.68 : x
  2. Step 2: Convert to fraction form
    93,941.88/129,647.97 = 51,508.68/x
  3. Step 3: Cross multiply
    93,941.88x = 129,647.97 × 51,508.68
  4. Step 4: Simplify right side
    93,941.88x = 6,677,995,799.38
  5. Step 5: Solve for x
    x = 6,677,995,799.38/93,941.88
  6. Step 6: Final answer
    x = 71,086.46

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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.