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Finding the Fourth Proportional to 95,980.54, 132,455.96 and 53,538.16

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Solution

The fourth proportional to 95,980.54, 132,455.96 and 53,538.16 is: 73,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,980.54 : 132,455.96 = 53,538.16 : x
  2. Step 2: Convert to fraction form
    95,980.54/132,455.96 = 53,538.16/x
  3. Step 3: Cross multiply
    95,980.54x = 132,455.96 × 53,538.16
  4. Step 4: Simplify right side
    95,980.54x = 7,091,447,449.46
  5. Step 5: Solve for x
    x = 7,091,447,449.46/95,980.54
  6. Step 6: Final answer
    x = 73,884.23

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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.