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Finding the Fourth Proportional to 96,353.47, 132,971.39 and 53,912.31

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Solution

The fourth proportional to 96,353.47, 132,971.39 and 53,912.31 is: 74,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,353.47 : 132,971.39 = 53,912.31 : x
  2. Step 2: Convert to fraction form
    96,353.47/132,971.39 = 53,912.31/x
  3. Step 3: Cross multiply
    96,353.47x = 132,971.39 × 53,912.31
  4. Step 4: Simplify right side
    96,353.47x = 7,168,794,798.81
  5. Step 5: Solve for x
    x = 7,168,794,798.81/96,353.47
  6. Step 6: Final answer
    x = 74,401.00

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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.