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Finding the Fourth Proportional to 93,884.63, 129,563.82 and 51,445.89

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Solution

The fourth proportional to 93,884.63, 129,563.82 and 51,445.89 is: 70,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,884.63 : 129,563.82 = 51,445.89 : x
  2. Step 2: Convert to fraction form
    93,884.63/129,563.82 = 51,445.89/x
  3. Step 3: Cross multiply
    93,884.63x = 129,563.82 × 51,445.89
  4. Step 4: Simplify right side
    93,884.63x = 6,665,526,031.70
  5. Step 5: Solve for x
    x = 6,665,526,031.70/93,884.63
  6. Step 6: Final answer
    x = 70,996.99

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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.