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Finding the Fourth Proportional to 96,371.64, 132,993.06 and 53,931.30

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Solution

The fourth proportional to 96,371.64, 132,993.06 and 53,931.30 is: 74,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,371.64 : 132,993.06 = 53,931.30 : x
  2. Step 2: Convert to fraction form
    96,371.64/132,993.06 = 53,931.30/x
  3. Step 3: Cross multiply
    96,371.64x = 132,993.06 × 53,931.30
  4. Step 4: Simplify right side
    96,371.64x = 7,172,488,616.78
  5. Step 5: Solve for x
    x = 7,172,488,616.78/96,371.64
  6. Step 6: Final answer
    x = 74,425.30

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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.