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Finding the Fourth Proportional to 82,863.60, 124,295.40 and 27,459.60

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Solution

The fourth proportional to 82,863.60, 124,295.40 and 27,459.60 is: 41,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.60 : 124,295.40 = 27,459.60 : x
  2. Step 2: Convert to fraction form
    82,863.60/124,295.40 = 27,459.60/x
  3. Step 3: Cross multiply
    82,863.60x = 124,295.40 × 27,459.60
  4. Step 4: Simplify right side
    82,863.60x = 3,413,101,965.84
  5. Step 5: Solve for x
    x = 3,413,101,965.84/82,863.60
  6. Step 6: Final answer
    x = 41,189.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.