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Finding the Fourth Proportional to 96,863.73, 133,671.03 and 53,842.09

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Solution

The fourth proportional to 96,863.73, 133,671.03 and 53,842.09 is: 74,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,863.73 : 133,671.03 = 53,842.09 : x
  2. Step 2: Convert to fraction form
    96,863.73/133,671.03 = 53,842.09/x
  3. Step 3: Cross multiply
    96,863.73x = 133,671.03 × 53,842.09
  4. Step 4: Simplify right side
    96,863.73x = 7,197,127,627.65
  5. Step 5: Solve for x
    x = 7,197,127,627.65/96,863.73
  6. Step 6: Final answer
    x = 74,301.57

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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.