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Finding the Fourth Proportional to 96,171.75, 132,714.59 and 53,730.59

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Solution

The fourth proportional to 96,171.75, 132,714.59 and 53,730.59 is: 74,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,171.75 : 132,714.59 = 53,730.59 : x
  2. Step 2: Convert to fraction form
    96,171.75/132,714.59 = 53,730.59/x
  3. Step 3: Cross multiply
    96,171.75x = 132,714.59 × 53,730.59
  4. Step 4: Simplify right side
    96,171.75x = 7,130,832,290.08
  5. Step 5: Solve for x
    x = 7,130,832,290.08/96,171.75
  6. Step 6: Final answer
    x = 74,146.85

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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.