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Finding the Fourth Proportional to 84,257.93, 116,078.16 and 58,717.87

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Solution

The fourth proportional to 84,257.93, 116,078.16 and 58,717.87 is: 80,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.93 : 116,078.16 = 58,717.87 : x
  2. Step 2: Convert to fraction form
    84,257.93/116,078.16 = 58,717.87/x
  3. Step 3: Cross multiply
    84,257.93x = 116,078.16 × 58,717.87
  4. Step 4: Simplify right side
    84,257.93x = 6,815,862,238.72
  5. Step 5: Solve for x
    x = 6,815,862,238.72/84,257.93
  6. Step 6: Final answer
    x = 80,892.83

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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.