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Finding the Fourth Proportional to 96,371.36, 132,865.06 and 79,080.39

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Solution

The fourth proportional to 96,371.36, 132,865.06 and 79,080.39 is: 109,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,371.36 : 132,865.06 = 79,080.39 : x
  2. Step 2: Convert to fraction form
    96,371.36/132,865.06 = 79,080.39/x
  3. Step 3: Cross multiply
    96,371.36x = 132,865.06 × 79,080.39
  4. Step 4: Simplify right side
    96,371.36x = 10,507,020,762.17
  5. Step 5: Solve for x
    x = 10,507,020,762.17/96,371.36
  6. Step 6: Final answer
    x = 109,026.38

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1.5x scale

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.