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Finding the Fourth Proportional to 96,121.60, 132,585.60 and 57,863.68

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Solution

The fourth proportional to 96,121.60, 132,585.60 and 57,863.68 is: 79,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,121.60 : 132,585.60 = 57,863.68 : x
  2. Step 2: Convert to fraction form
    96,121.60/132,585.60 = 57,863.68/x
  3. Step 3: Cross multiply
    96,121.60x = 132,585.60 × 57,863.68
  4. Step 4: Simplify right side
    96,121.60x = 7,671,890,731.01
  5. Step 5: Solve for x
    x = 7,671,890,731.01/96,121.60
  6. Step 6: Final answer
    x = 79,814.43

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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.