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Finding the Fourth Proportional to 84,788.45, 127,200.67 and 32,196.77

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Solution

The fourth proportional to 84,788.45, 127,200.67 and 32,196.77 is: 48,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788.45 : 127,200.67 = 32,196.77 : x
  2. Step 2: Convert to fraction form
    84,788.45/127,200.67 = 32,196.77/x
  3. Step 3: Cross multiply
    84,788.45x = 127,200.67 × 32,196.77
  4. Step 4: Simplify right side
    84,788.45x = 4,095,449,999.34
  5. Step 5: Solve for x
    x = 4,095,449,999.34/84,788.45
  6. Step 6: Final answer
    x = 48,301.98

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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.