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Finding the Fourth Proportional to 93,244.68, 128,694.30 and 55,001.88

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Solution

The fourth proportional to 93,244.68, 128,694.30 and 55,001.88 is: 75,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,244.68 : 128,694.30 = 55,001.88 : x
  2. Step 2: Convert to fraction form
    93,244.68/128,694.30 = 55,001.88/x
  3. Step 3: Cross multiply
    93,244.68x = 128,694.30 × 55,001.88
  4. Step 4: Simplify right side
    93,244.68x = 7,078,428,445.28
  5. Step 5: Solve for x
    x = 7,078,428,445.28/93,244.68
  6. Step 6: Final answer
    x = 75,912.41

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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.