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Finding the Fourth Proportional to 84,608.93, 116,745.51 and 48,293.79

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Solution

The fourth proportional to 84,608.93, 116,745.51 and 48,293.79 is: 66,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,608.93 : 116,745.51 = 48,293.79 : x
  2. Step 2: Convert to fraction form
    84,608.93/116,745.51 = 48,293.79/x
  3. Step 3: Cross multiply
    84,608.93x = 116,745.51 × 48,293.79
  4. Step 4: Simplify right side
    84,608.93x = 5,638,083,143.38
  5. Step 5: Solve for x
    x = 5,638,083,143.38/84,608.93
  6. Step 6: Final answer
    x = 66,636.97

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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.