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Finding the Fourth Proportional to 84,788.70, 127,201.04 and 32,197.02

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Solution

The fourth proportional to 84,788.70, 127,201.04 and 32,197.02 is: 48,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788.70 : 127,201.04 = 32,197.02 : x
  2. Step 2: Convert to fraction form
    84,788.70/127,201.04 = 32,197.02/x
  3. Step 3: Cross multiply
    84,788.70x = 127,201.04 × 32,197.02
  4. Step 4: Simplify right side
    84,788.70x = 4,095,494,428.90
  5. Step 5: Solve for x
    x = 4,095,494,428.90/84,788.70
  6. Step 6: Final answer
    x = 48,302.36

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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.