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Finding the Fourth Proportional to 85,052.48, 127,585.20 and 25,893.20

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Solution

The fourth proportional to 85,052.48, 127,585.20 and 25,893.20 is: 38,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,052.48 : 127,585.20 = 25,893.20 : x
  2. Step 2: Convert to fraction form
    85,052.48/127,585.20 = 25,893.20/x
  3. Step 3: Cross multiply
    85,052.48x = 127,585.20 × 25,893.20
  4. Step 4: Simplify right side
    85,052.48x = 3,303,589,100.64
  5. Step 5: Solve for x
    x = 3,303,589,100.64/85,052.48
  6. Step 6: Final answer
    x = 38,841.77

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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.