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Finding the Fourth Proportional to 96,359.64, 132,980.03 and 53,917.26

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Solution

The fourth proportional to 96,359.64, 132,980.03 and 53,917.26 is: 74,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,359.64 : 132,980.03 = 53,917.26 : x
  2. Step 2: Convert to fraction form
    96,359.64/132,980.03 = 53,917.26/x
  3. Step 3: Cross multiply
    96,359.64x = 132,980.03 × 53,917.26
  4. Step 4: Simplify right side
    96,359.64x = 7,169,918,852.32
  5. Step 5: Solve for x
    x = 7,169,918,852.32/96,359.64
  6. Step 6: Final answer
    x = 74,407.90

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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.